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Mmmm. Imagine a festive tin filled with 2 gallons of three premium Popcornopolis flavors, chosen especially for the season: Cupcake with its creamy vanilla cake and festive confetti sprinkles will brighten your family's morning. *Strawberries & Cream will sweeten the day even further. And of course Lemon Heaven is a sure-fire winner that everyone loves! You're in for a bounteous Easter treat!
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The Jalapeño Cheddar Popcornopolis Popcorn ???? is GREAT!!!!!
I sent to my daughter in Seattle for Easter and she was really happy with it and said it was delicious! I love Popcornopolis, I just wish it wasn't so expensive.
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The Lemon Heaven has great flavor! My children love the Cupcake and the Strawberries & Cream isnt as flavorful as I remember it being. I give 5 stars because I have had many flavors and always very good.
My Mother loved her gift from the Easter bunny. She said it is the best popcorn she has ever had. ❤
Have ordered before, but this time the popcorn didn't seem as fresh. The zebra popcorn seemed to be half mixed with plain sweet popcorn. Last year was much better.
Fresh delicious sweet and spicy. The popcorn is always delicious!!! The customer service is STELLAR! My can was dented and I called only to suggest better packaging, however was sent a replacement! I continued to ins...
Love the popcorn always have and always will. I am a regular my family, co-workers, friends all love this popcorn regardless of what the tin looks like as long as the popcorn is fresh we are all happy.
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I bought this for my sister and she recently texted me that it was "love in a can!" She said that she has to try really hard not to eat all the Strawberries & Cream popcorn in one sitting. She said that the cinnamon t...
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Rookie second baseman Danny Espinosa was stout on defense Friday night, but his game Saturday didn't start out that way. Philadelphia shortstop Jimmy Rollins led off the game with a grounder toward the middle that Espinosa was unable to handle.
It looked like left-hander John Lannan was going to get out of the inning unscathed, but Phillies first baseman Ryan Howard hit an opposite field home run to put the Phillies up 2-0.
In the top of the second inning, Michael Morse, back in the lineup after a day off, greeted Roy Oswalt with a leadoff double. Laynce Nix knocked in the first baseman to cut the Phillies lead to 2-1. Ian Desmond singled home Nix to tie the score at two apiece. The Nationals and Phillies are heading to the third inning.
Update: The Phillies retook the lead on a Howard single to right field in the bottom of the third inning. His single followed an error by Desmond to help Shane Victorino reach first base and a hit by Chase Utley.
Raul Ibañez drove in Utley on a bases-loaded ground out to push the Phillies lead to 4-2 before Lannan was able to retire Wilson Valdez on a flip from his glove to Wilson Ramos and force out Howard at the plate.
A grounder to Desmond stopped the bleeding, but not before the Phillies scored three more runs. Collin Balester is warming up in the bullpen.

subset: commoncrawl


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For Area Hondurans, Coup Back Home Sparks Worries for Families, Future
Friday, July 10, 2009
They are far from the rioting and bloodshed that have thrust their home country into the daily news, but for Hondurans living in the Washington area and beyond, the coup d'etat last week has reached into their lives in ways many hadn't expected.
A waitress in Springfield is afraid to speak openly with her mother by phone. A jeweler who moved here 37 years ago is scrambling to sell his properties there. A construction worker in Falls Church has had trouble sending money to his family back home.
"They couldn't take money out of the banks," said Fredi Ortega, 27, one of hundreds of Hondurans who crowded into RFK Stadium on Wednesday night to watch their soccer team play the United States in the Concacaf Gold Cup. "If you tried to send money from here, they told you you can't."
Many immigrants leave their countries to escape war, revolutions or economic meltdowns, and many of those who come to the United States become key sources of income for relatives back home. As their homelands stabilize, they often travel back and forth, send their children home on holidays and even start to invest there.
But sometimes the stability melts away overnight.
Last summer, when Russia's army invaded Georgia, cutting the country in half, Georgian families in the United States who had sent their children to visit relatives there panicked as borders closed and telephone connections were cut. Last month, Iranian Americans planning summer vacations canceled their trips home as a disputed election escalated into street clashes and a wave of arrests.
Now it is the turn of the 1 million or so Hondurans living in the United States, following the unrest after President Manuel Zelaya was ousted and replaced by Roberto Micheletti. According to census estimates, 25,319 people in the Washington region identify themselves as Honduran.
From the first days after the coup, Hondurans living here said, phone lines were down and they had to rely on news reports to find out what was happening back home. "We were watching CNN," said Orlando Vallecillo, 38, of Herndon. When they finally did reach their families, they heard about the martial law confining people to their homes at night.
"No one wants to go there," Vallecillo said. "Those who had plans to go canceled them."
Jessica Mendoza, 21, a waitress in Springfield who moved here three years ago, usually visits a couple of times a year. "But who wants to go to Honduras right now?" she asked, adding that she is nervous talking to people there about the political situation. Residents fear that the government could be listening in on land-line phone conversations. "My mom said just call to cellphones because they can hear the conversation."
In recent days, remittances have resumed and phone lines are working, but some said the situation is likely to change their long-term connection with the country.
"It really affects us because I still have family over there, and I still have properties over there," said Romel Martinez, 55, a jeweler who lives in Long Branch, N.J. "We've really been trying to build something up over there. But I really don't feel like the situation is good anymore for investing."
Now he is trying to sell his beachfront properties. "You feel scared, because you don't want to invest in something that's really a canoe instead of a ship." He said the situation has given many Hondurans pause about returning there to live. "I'm really selling because I don't feel like it's worth it anymore."
Most people interviewed at the soccer game said they were against the coup, though some also criticized the ousted president's move to change the constitution, which helped spark it.
But Juan Garcia, 42, a police officer who lives in New York, said that he supported the coup and that he has had no trouble reaching family members. "My sister's a nurse, and I talk to her every day, and everyone's carrying on business as normal," he said.
Regardless of political opinions, almost all of those interviewed said they were concerned for their country. "No one expected it," Omar Fuentes said of the unrest. Pointing at a particularly energetic group of fans tooting plastic horns, he said the soccer game was a welcome distraction. (Honduras went on to lose 2-0.) "This is an escape from the worries that we have, and this is a way of soothing the pain that we're feeling as Hondurans."
For Martinez, there was even a bright spot to the turmoil at home. His mother might come to visit for the first time in several years. "She stopped coming because of 9/11," he said, "and now she's thinking of coming back because of the situation."


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Let's be honest, who doesn't love ice creams? Check out the list below of the 12 best ice creams in Riyadh and sort out which ones you want to try first!
- Godiva: This costs SR 25 and is said to be the best ice cream ever! Their chocolate ice cream is heavenly and something definitely worth a try. Once you try Godiva, you won't be able to move on to any other ice cream store!
- Caffe Benne: Their ice cream costs SR 10 and the best flavor is the cream cheese gelato. The flavor name might sound a bit weird to you but in real it just tastes like French vanilla which is delicious!
- Baskin Robins: This, in my opinion, is the BEST ice cream ever! No wonder people love Baskin Robins worldwide. Their classic Jamoca Almond Fudge with the delicious hot chocolate sauce is soothing to the taste buds and costs SR 12 only. Definitely worth the size of scoops they serve!
- McDonalds: Besides their delicious burgers and fries, everyone seems to love their Mcflurry especially the one with peanuts and caramel sauce. Costs SR 9 only and it is the best thing ever.
- Dairy Queen: Ever heard of brownie bits inside an ice cream? No? Well then you have got to try Dairy Queen! Double Choco Mini Blizzard costing SR 6 only, this ice cream is ideal for chocolate lovers!
- Marble Slab: Cookies and ice cream, yes! That is what every ice cream lover craves for! Their famous birthday cake with mashed up cookies and extra cookie dough flavor is unique yet so tasty! Never have I eaten a more different and delicious ice cream, ever!
- Saadeddin: Biscuit Bouza priced at SR 7 is nothing less than heaven in a cup. Yes, we mean it! Taste it to believe it! Extra creamy and tastes so wonderful.
- Cioccolati Italiani: This is one ice cream made especially for people who do not have an extreme sweet tooth yet prefer to have ice cream once in a while. Their pistachio and chocolate with white chocolate sauce is priced at SR 32 and it is the perfect balance between too sweet and too bitter.
- Menchie's : SR 30 for their Oreo frozen yogurt with crushed Oreo bits is the best fro-yo in town and I personally think it is worth a try for people who are fro-yo fans.
- Piatto: This ice cream is refreshing and light to the stomach after a heavy meal perhaps. Their dark chocolate, strawberry and melon gelato taste wonderful and are priced at SR 12.
- Coldstone Creamery: They serve ice cream in waffle cups and the best flavor they have is Oreo with crushed Oreo bits. The price is SR 18 and is a hit for extra creamy ice cream lovers!
- Saudia: The very famous ice cream sandwich Saudia. It costs SR 1 only and is no doubt, the best ice cream sandwich ever! Yumm!
Source: Destination Riyadh
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Methods of determination the optimal quality of the concentrate according to chosen technological and economic criteria
- Evelyn Barton
- 1 years ago
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1 GOSPODARKA SUROWCAMI MINERALNYMI Tom Zeszyt 4 BO ENA SKORUPSKA*, DANIEL SARAMAK** Methods of determination the optimal quality of the concentrate according to chosen technological and economic criteria Key words Copper ore enrichment, optimisation, mathematical modelling, assessment of enrichment processes Abstract In the article there are presented chosen technological and economic criteria of assessment of mineral processing processes on the example of copper enrichment. Based on these criteria it is possible to build a model optimising the work of KGHM Polska MiedŸ S.A., which takes into consideration both changeable ore parameters and technology of enrichment applied in the plant. Specific solution of the model can be obtained with using computational programs based on mathematical programming methods. Introduction In the enrichment process the feed is divided into mainly two products: the concentrate with high content of useful mineral and the tailings in which the content of useful mineral is as low as possible. Industrial needs caused recently an intensive development in the group of technological assessment methods concerning the efficiency of enrichment process. Such methods are used to judge the quality of feed, products or the processes. They are also the ** M.Sc. Eng., Institute of Non-Ferrous Metals; Mineral Processing and Secondary Materials Utilization Department; Gliwice, Poland. ** D.Sc. Eng, Department of Mineral Processing Environmental Protection and Waste Utilisation, Faculty of Mining and Geoengineering, AGH University of Science and Technology, Kraków, Poland. Reviewed by Prof. Marian Bro ek
2 6 basis of mineral processing plant work assessment. Technological evaluation of the efficiency of industrial and laboratory separation processes is based on the analysis of average content of useful mineral in the feed and in products, that is, and indexes. Main combinations of such indexes in formulas describe yield of products, the recovery and losses of ingredients. Technological enrichment indexes are useful for technologist, when one dependent variable is analysed as a function of other index playing the role of independent variable. Technological and economic criteria are starting point for building suitable model optimising work of mineral processing plant, what is presented in the article. Solution of that model can be obtained with using method of mathematical programming. 1. Technological criteria of the process efficiency The basic criterion of technological assessment of enrichment process is an efficiency of enrichment resulting from Hancock s index E a (Stêpiñski 1964) and defined by Stêpiñski as absolute enrichment coefficient, presented in formula (1) E a 100 ( ) t t [%] (1) and the Taggart s formula (Taggart 1956): T (2) t the content of useful mineral in the theoretical pure concentrate (in which there are only compounds of useful mineral) or just in the real mineral. In the event of existing of several minerals (i.e. metal deliverers), t is a weighted average of metal content in all component minerals, t theoretical yield of such pure concentrate, t =100/ t From the technological point of view there is also significant index describing losses of metal per growth of useful mineral content in the concentrate (Madej 1978): (3) G w 100 ( ) The assessment of technological efficiency of enrichment processes can be also done on the basis of the recovery criterion for divided components in appropriate products E (formula (4)) (so-called efficiency based on the profit in separated products):
3 7 E = (100 R) (4) or on the basis of selectivity coefficient E s : E s ( 1 ) ( 1 R ) ( 1 ) R( 1 ) (5) recovery of metal in the concentrate [%], R recovery of tailings in the concentrate [%]. Technological coefficients of technological assessment analysed above apply both to one- and multi-metallic ores. However, in enrichment processes of multi-metallic ores technological efficiency criteria are presented separately for each component. The main disadvantage of such approach is that it is assumed equality of all components, what occurs rarely in the reality. It may lead to distortion of assessment of technological efficiency Optimisation of enrichment process with using technological criteria In order to characterize an optimal content of copper in concentrates produced in mineral processing plants, there were running industrial investigation over concentrates and tailings 2, , Gw, Es,E 1,500 1, E a 55 0, , ,00 10,00 20,00 30,00 40,00 50,00 zet,%( / G w E E s E a Fig. 1 Enrichment curves for ore from Rudna district (in E a, E, E s, z G w co-ordinates systems), E a absolute enrichment coefficient, G w index of metal losses, E efficiency to recovery coefficient, E s selectivity index Rys. 1. Krzywe wzbogacania dla rudy z rejonu Rudna (w uk³adzie wspó³rzêdnych E a, E, E s, z G w ), gdzie: E a absolutny wspó³czynnik wzbogacania, G w wskaÿnik strat metalu, E wskaÿnik efektywnoœæ/uzysk, E s wskaÿnik selektywnoœci
4 8 coming from three districts of OZWR, namely: from Rudna district, from Polkowice district and from Lubin district. There were carried out flotation analyses of such products with using the fractional flotation method (similar to Dell s technique). Based on these analyses and computed enrichment indexes, there were drew suitable curves, presented in the Fig. 1. Approximation of presented curves with using a parabola function allows to characterize the most profitable content of copper in the concentrate according to chosen optimisation criterion. Results of such approximation are presented in Table 1. TABLE 1 Computed values of optimal according to chosen efficiency criteria (denotations the same like for Fig.1) TABELA 1 Obliczone wartoœci optimal wed³ug wybranych kryteriów efektywnoœci (oznaczenia jak na rys. 1) Type of the ore optimal E a G w E E s Rudna district (production processes for sandstone) Polkowice district Lubin district Economic criteria In connection with the fact that technological efficiency criteria do not fill in the problem of efficiency process assessment, economic assessments of process efficiency are main supplements of such coefficients. They use definitions of price, cost, profit or profitability and they are using among others: to characterize the financial effect of the plant, to production planning, to characterize own costs, etc. They can exist either as compound coefficients (i.e. the cost of processing of 1 Mg of ore) or as partial ones components of compound coefficients (i.e. comminution, grinding or classification cost). The other group of economic criteria represent coefficients of efficiency investment assessments, taking advantage of outcomes and technological and/or economic parameters. They are divided into static and dynamic ones including the following coefficients: comparative calculation of costs or profits, profitability calculation, depreciation calculation etc. Generally in mineral processing plant the economic efficiency can be described as a function of quality and quantity of processed ore and produced concentrate. It can be presented as in the formula (6): E = f(,, p, k, C k, k j ) (6)
5 9 p, k C k k j content of copper in the feed and in the concentrate, processing of feed mass; production of the concentrate, price of 1 Mg of concentrate, enrichment cost per unit. Economic criteria of efficiency assessment are also connected with optimisation issues, and the problem of optimisation of the enrichment processes should be considered based on the correct formula of a target function (an optimisation criterion), which may be formulated variously, depending on the approaching to the problem (i.e. Trybalski 2002; Tumidajski and others 2004) T h e profit criterion The universal optimisation criterion is the profit one, defined as: Z S K max (7) Z profit of company [PLN per Mg of metal], S income from selling products [PLN per Mg of metal], K production costs [PLN per Mg of metal]. Profit should be calculated separately both for enrichment (Z P ) and metallurgical Z M ) stages. The profit (Z P ) per 1 Mg of ore for plant with mining and processing stages can be denoted as in formula (8): Z P = () C K () K P = C K () P P (8) content of copper in the feed; metal recovery in concentrate, described as a function of concentrate quality; C K () price of metal in the concentrate [PLN per Mg], K P cost of extracting and processing of 1 Mg of feed [PLN per Mg]. In metallurgical processes the profit (Z M ) is calculated from the formula: Z M = () M () [C M K M ()] () C K () (9) C M price of metal [PLN per Mg],
6 10 K M metallurgical cost per unit [PLN per 1 Mg of metal], M recovery in metallurgical processes. Total profit in both enrichment and metallurgical processes (Z ) amounts: Z = Z () =() M () [C M K M ()] K P (10) and it is a function of copper content in the concentrate, that is Z = Z () Criterion respecting NSR formula In many countries NSR formula (net smelter return or net smelter revenue) (Strzelska- -Smakowska 1994; Paulo, Strzelska-Smakowska 1995) is applied to compute the profit of mineral processing plant. NSR formula in a simplified way allows to estimate the profit of mineral processing plant. This method is applied to compute the income from selling basic non-ferrous metals like Cu, Zn, Sn and Ni. The NSR informs about value of concentrate produced from 1 Mg of ore and it concerns the situation when processes of extraction of ore from the ground and its enrichment takes place in one plant. The concentrate is a trade product of that plant, which is selling to the other plant copperworks. According to NSR method, the profit of the mine is calculating both from the formula (11): NSR = CMV (DC + TC) (11) CMV value of metal content in the concentrate, DC total shipping cost of concentrate from mine to copperworks, TC metallurgical cost, and from formula (12): mass of the concentrate [Mg], P market price of metal [PLN per Mg], a metallurgical recovery. NSR = ap (DC + TC) (12) The value of NSR for each combination of profit and quality of concentrate is defined as a difference between the value of metal content in concentrate (CMV value) and the total sum of shipping cost of concentrate to the copperworks (DC) and smelter charges (TC).
7 11 7 cost /value of NSR value of metal NSR cost content of metal in concentrate,% Fig. 2. Dependence of the mine profit (continuous line) on the value of metal included in the concentrate (dashed line) and the sum of shipping and the metallurgical cost (dotted line), according to NSR index Rys. 2. Zale noœæ zysku kopalnii (linia ci¹g³a) od wartoœci metalu zawartego w koncentracie (linia przerywana) oraz od ³¹cznych kosztów transportu do huty i przerobu metalurgicznego (linia kropkowana) wed³ug NSR The quality of concentrate responding to the maximum value of NSR characterizes economically optimal concentrate for mineral processing plant (Fig. 2) 3. Econometric model of work of KGHM PM S.A. Criteria of process optimisation described in section 1 are connected with the situation when given concentrate is processed in one copperworks and the income from selling is gained from only one metal. Real situation of KGHM is different as the company is a system of many plants, which cooperate in producing the final product. The quality and quantity of that product depends on efficiency of the whole system. Distribution of suitable concentrate from a plant to a copperworks is the result of its quality as well as the content of lead and arsenic and also the technology of metallurgical processing. Ore processed in KGHM is a multi-component one, the income of company comes from selling not only the base metal copper, but also from selling silver and other accompanying metals. In order to take into consideration above situation to work out the method of determining suitable quality of concentrate, which optimises the plant s profit, appropriate models in the field of mathematical programming theory were used. Such models respect also methods of distribution of concentrates to appropriate copperworks and income resulting from selling both copper and silver Assumptions for building the model In the Table 2 there are presented denotations used in building the model in description of enrichment plant s work, while Table 3 presents denotation used in description of metallurgical stage concerning distribution of concentrates to specific copperworks.
8 12 Denotations used in description of enrichment stage Oznaczenia w opisie etapu wzbogacania TABLE 2 TABELA 2 The district Amount of ore processed [Mg] uality of concentrate Amount of concentrate produced [Mg] Rudna R R R R Polkowice P P P P Lubin L L L L Denotations used in description of metallurgical stage Oznaczenia w opisie etapu przerobu metalurgicznego TABLE 3 TABELA 3 Copperworks Amount of concentrate processed in adequate copperworks [Mg] from Rudna from Polkowice from Lubin Legnica RL R LL L G³ogów I RGI R PGI P LGI L G³ogów II RGII R PGII P 3.2. Building of model The target function in optimization model is the profit, and the subject of optimization is to maximize this profit: Z=S K max (13) The profit of company is a difference between incomes from selling of metals (S) and cost of production (K). Let s describe now both elements of profit Incomes Income of company from selling copper and silver can be denoted as: S=(M L +M GI +M GII ) C M +(S L +S GI +S GII ) C S (14)
9 13 M L, M GI, M GII amount of copper produced by copperworks Legnica, G³ogów I and G³ogów II respectively. Next, these quantities can be denoted with following formulas: M L = RL R R HL + LL L L HL (15) M GI = RGI R R HGI + PGI P P HGI + LGI L L HGI M GII = RGII R R HGII + PGII P P HGII S L,S GI,S GII amount of silver produced by copperworks Legnica, G³ogów I and G³ogów II respectively. These quantities can be also denoted with next formulas: S L = RL (a R R +b R ) R ' HL + LL (a L L +b L ) L ' HL (16) S GI = RGI (a R R +b R ) R HGI + PGI (a P P +b P ) P HGI + LGI (a L L +b L ) L HGI S GII = RGII (a R R +b R ) R HGII + PGII (a P P +b P ) P HGII Finally, income can be denoted as in formula: S ( RLR RHL LLL LHL RGI R RHGI PGI P PHGI (17) LGI L LHGI RGII R RHGII RGII R R HGII ) CM [ RL ( ar R br ) RHL LL ( all bl ) LHL RGI ( ar R b R ) R HGI ( a b ) ( a b ) PGI P P P P HGI LGI L L L L HGI ( a b ) ( a b ) ] C RGII R R R R HGII PGII P P P P HGII S In the formula (17) there exist following parameters: HL metallurgical recovery for Legnica copperworks, GI metallurgical recovery for G³ogów I copperworks, GII metallurgical recovery for G³ogów II copperworks, ' HL metallurgical recovery of silver for Legnica copperworks,
10 14 ' GI metallurgical recovery of silver for G³ogów I copperworks, ' GII metallurgical recovery of silver for G³ogów II copperworks, C M price of copper on London Metal Exchange [PLN], C S price of silver on exchange in New York [PLN], a R,a P,a L ;b R,b P,b L parameters in equations describing dependencies between contents of copper and silver in concentrates (see point 3 section 3.2.3) There are also independent variables in the formula (17): R RL mass of concentrate delivered from Rudna to Legnica copperworks [Mg], L LL mass of concentrate delivered from Lubin to Legnica copperworks [Mg], R RGI mass of concentrate delivered from Rudna to G³ogów I copperworks [Mg], P PGI mass of concentrate delivered from Polkowice to G³ogów I copperworks [Mg], L LGI mass of concentrate delivered from Lubin to G³ogów I copperworks [Mg], R RGII mass of concentrate delivered from Rudna to G³ogów II copperworks [Mg], P PGII mass of concentrate delivered from Polkowice to G³ogów II copperworks [Mg], R content of copper in concentrate produced in Rudna district [%], P content of copper in concentrate produced in Polkowice district [%], L content of copper in concentrate produced in Lubin district [%], R yield of concentrate produced in Rudna district [%], P yield of concentrate produced in Polkowice district [%], L yield of concentrate produced in Lubin district [%] Cost Total copper production cost is described in formula (18) K=K G +K P +K H (18) K G K P K H cost of mining stage [PLN], cost of enrichment stage [PLN], total cost of metallurgical stage [PLN]. K G =( R + L + P )k jg K P = R R k jpr + L L k jpl + P P k jpp K H =( RL R R k jhl + LL L L k jhl ) + +( RGI R R k jhgi + PGI L P k jhgi + LGI L L k jhgi )+ +( RGII R R k jhgii + PGII P P k jhgii )
11 R, P, L denotations like in Table 2, k jg unit cost of mining stage [PLN per Mg of ore], kj PR unit processing cost in Rudna district, kj PP unit processing cost in Polkowice district, kj PL unit processing cost in Lubin district, kj HL unit metallurgical processing cost in Legnica copperworks [PLN per Mg], kj HGI unit metallurgical processing cost in G³ogów I copperworks [PLN per Mg], kj HGII unit metallurgical processing cost in G³ogów II copperworks [PLN per Mg], The other denotations like in formula (17). Finally, cost can be dented as in the formula (19) 15 K ( R P L ) k jg R R k jpr P P k jpp L Lk jpl (19) RL RRk jhl LL LLk jhl RGI RRk jhgi PGI PPk jhgi LGI LLk jhgi RGII R R k jhgii PGII P P k jhgii Formula (13) can be then denoted as a sum of formulas (17) and (19): Z ( RLR RHL LLL LHL RGI R RHGI PGI P PHGI LGI L LHGI RGII R RHGII RGII R R HGII ) CM [ RL ( ar R br ) RHL LL ( all bl ) LHL RGI ( ar R b R ) R HGI ( a b ) ( a b ) PGI P P P P HGI LGI L L L L HGI ( a b ) ( a b ) ] C RGII R R R R HGII PGII P P P P HGII S [( ) k k k k R P L jg R R jpr P P jpp L L jpl RL RRk jpl LL LLk jhl RGI RRk jhgi PGI PPk jhgi LGI LLk jhgi RGII R R k jhgii PGII P P k jhgii ]
12 Limitations 1. Technology of metallurgical processing. It is established a quality limitation of concentrate from the point of view of metallurgical process s technology. The content of copper in concentrate must be higher than minimum, determined by the technology of metallurgical processing: min where min is the value determined by metallurgical process s restrictions. 2. Relationship between quality of concentrate and its yield. the yield formula () can be well characterized with using following type of function: a 1 b 1 (20) a 1, b 1 parameters. There are two crucial points of that hyperbola function: first one, where yield equals 100 (for ) and the second one where value of yield is determined for teor called best theoretical quality of concentrate. It equals respectively: for Lubin district teor = 52.14%, for Polkowice district teor = 67.73%, and for Rudna district teor = 63.45% (Saramak 2003; Saramak, Tumidajski 2004). After determine co-ordinates of these two points it is possible to compute parameters a and b. It can also be done with using the least squares method for gained technological data sets (i.e. enrichment effects). Laboratory experiments of ore enrichment show that well enough approximation of description of dependencies between quality of concentrate and its yield can be also denoted with using exponential function: a 2, b 2 parameters. 2 b a 2 (21) 3. Relationships between content of copper and silver in concentrates. In experiments lead in Institute of Non-Ferrous Metals (e.g. IMN 5035/94) over enrichment-ability of silver it was proved that for each enrichment plant district (i.e. Lubin, Polkowice, Rudna) the relationship between the content of copper and silver in concentrate can be presented with following formula:
13 17 AgR =a R R +b R (22) AgP =a P P +b P AgL =a L L +b L AgR,P,L contents of silver in concentrates from Rudna, Polkowice and Lubin respectively, content of copper in concentrate, a R,P,L ;b R,P,L parameters. 4. Copperworks economic capacities Total amount of produced concentrates cannot exceed economic capacity of copperworks. We can then denote: R R + R P + L L < M 1 + M 2 + M 3 R = R ( RL + RGI + RGII ) P = P ( PGI + PGII ) L = L ( LL + LGI ) yield of concentrate [%], total amount of ore processed in enrichment plants [Mg], M total economic capacities of copper-works [Mg]. 5. Distribution of concentrates from enrichment plants to copperworks Distribution of concentrates to Legnica copperworks: R RL R RL L LL LLL 1 R RL L LL Distribution of concentrates to G³ogów I copperworks: R RGI R RGI L LGI P PGI PLGI PPGI PGI R RGI L LGI P R RGI L LGI P PGI 1
14 18 Distribution of concentrates to G³ogów II copperworks: R RGII R RGII P PGII P PGII R RGII P PGII 1 These three equations take into consideration the presence of distribution ratios determining, the way of distribution of concentrates among copperworks. Appropriate indexes are presented in Table 3. Additionally, equations below present established range of distribution proportions for each index included in Table 3. Range at each index can be modified, but the new one should be compatible with real values of distribution proportions. Descriptions in formulas are the same like in formula (17): 0,2 0,6 RRL 0,4 R RL L LL LLL 0,8 R RL L LL RRGI 0,2 R RGI L LGI P PGI 0,4 LGI 0,25 RGI LGI PGI PGI 0,25 RGI LGI PGI 0,45 0,45 0,45 0,35 RGII RGII RGII PGII PGII PGII 0,65 0,55 6. Economics of copper production process in the system: mine processing plant metallurgical processing. In that approach it is taken into consideration both income from selling specific amount of copper produced from concentrate with quality in changeable non-ferrous metals market conditions, and cost of production of the copper (Fig. 3). The limitation can be denoted as follow:
15 income at low prices total cost, PLN/Mg of ore 26, , ,5 cost income at high prices 26, , ,5 income from sale PLN/1Mg of copper max max contentofcopper in concentrate, % Fig. 3. The influence of limitations in quality of produced concentrates in dependence on exchange prices of copper Rys. 3. Wp³yw ograniczeñ jakoœciowych na produkowane koncentraty w zale noœci od cen gie³dowych miedzi S>K S income of company from selling of metals [i.e. in PLN per 1 Mg of copper], K total cost of 1 Mg of copper production [PLN per 1 Mg of copper]. Conclusions Next stage includes searching of solutions minimizing the object function with respecting existing limitations. To reach that aim a specific computational computer software benefits form mathematical programming theory should be used. Despite the fact, that the mathematical programming theory was described in details in literature (Grabowski 1982), the complicity of the issue and its scale causes, that there exists relatively small number of computational programs enable to deal with the general problem. After specifying the problem it is possible to obtain a solution with using properly chosen computer programs based on mathematical programming theory. The article was supported by Ministry of Science and Education, Grant no 4T12A04728.
16 20 References Grabowski W.,1982 Programowanie matematyczne. PWE, Warszawa. Madej W.,1978 Ocena procesów wzbogacania. Prace Instytutu Metali Nie elaznych t. VII, nr 3. Paulo A.,Strzelska-Smakowska B.,1995 Optymalizacja koncentratów rudnych metod¹ dochodow¹. I Miêdzynarodowa Konferencja Przeróbki Kopalin, Zakopane, Oficyna Wydawnicza Jaxa, Kraków. Saramak D., Tumidajski T., 2004 Wp³yw sterowania jakoœci¹ koncentratu na efektywnoœæ procesu wzbogacania rud miedzi na podstawie OZWR KGHM Polska MiedŸ S.A. Gos. Sur. Min. t. 20, z. 3, s Saramak D., 2003 Model ekonometryczny dzia³alnoœci KGHM Polska MiedŸ S.A. jako sposób optymalizacji procesów wzbogacania rud miedzi, In ynieria Mineralna z. spec. 3. Stêpiñski W.,1964 Wzbogacanie grawitacyjne, PWN, ódÿ Warszawa Kraków. Strzelska-Smakowska B., 1994 Jakoœæ i wycena koncentratów rudnych wp³yw na gospodarkê z³o em, Gos. Sur. Min. Taggart A.F., 1956 Handbook of Mineral Dressing, J.Wiley and Sons, Inc., New York. Trybalski K., 2002 Analiza wskaÿników jakoœci procesów przeróbczych jako kryteriów sterowania. Gos. Sur. Min. t. 18, z. 1, s Tumidajski T.,M¹czka W.,Saramak D.,Foszcz D.,2004 Problemy optymalizacji odzysku metali w uk³adzie kopalnia zak³ad wzbogacania huta, na przyk³adzie KGHM Polska MiedŸ S.A., ZN AGH Górnictwo i Geoin ynieria z. 2/1, s Wieniewski A.izespó³, 1994 Sprawozdanie IMN 5035/94. BO ENA SKORUPSKA, DANIEL SARAMAK SPOSOBY OKREŒLENIA OPTYMALNEJ JAKOŒCI KONCENTRATU WED UG WYBRANYCH KRYTERIÓW TECHNOLOGICZNYCH I EKONOMICZNYCH S³owa kluczowe Wzbogacanie rud miedzi, optymalizacja, modelowanie matematyczne, ocena procesów wzbogacania Streszczenie W artykule przedstawione zosta³y wybrane technologiczne i ekonomiczne kryteria oceny procesów wzbogacania surowców na przyk³adzie rud miedzi. Na podstawie przedstawionych kryteriów oceny mo na zbudowaæ model optymalizuj¹cy pracê KGHM Polska MiedŸ S.A. uwzglêdniaj¹cy zarówno zmienne parametry jakoœciowe rudy, jak równie technologiê wzbogacania stosowan¹ w zak³adzie. Konkretne rozwi¹zanie uzyskaæ mo na z wykorzystaniem odpowiednich programów komputerowych z zakresu programowania matematycznego.
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Standup comedians are having a comeback moment. First, Tracy Morgan returned to host "Saturday Night Live" after a devastating car accident and announced that he would tour in 2016. Then, Eddie Murphy dipped a toe back into standup while accepting the Mark Twain Prize for American Humor on Sunday. Now, it's Chris Rock's turn. The beloved comic announced on Twitter …Read More »
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Koalog Code Coverage is a code coverage computation application written in the Java programming language. Its main features are in-process or remote coverage computation, the ability to work directly on Java binaries without recompilation, predefined (XML, HTML, LaTeX, CSV, TEXT) or custom report generation, session merging, portability, ease-of-use, and Ant integration.
JCSC is a powerful tool that checks source code against a highly definable coding standard for potentially bad code. Standards cover naming conventions for classes, interfaces, fields, and parameters, and the structural layout of classes and interfaces. Each rule is highly customizable. It can also find potential bugs, including empty catch/finally blocks, switches without defaults, throwing 'Exception' types, and slow code. JCSC was inspired by lint.
C/C++ Program Perfometer checks the performance of a C/C++ program and separate pieces of code for any metrics (e.g. uclocks, rusage metrics, metrics defined by the user, etc.). The measurement results are represented in detailed/summary reports. The detailed report has results for individual tests, and the summary one has average cost and its analysis. The comparison results are represented in comparative tables for individual comparison groups. The user may set various parameters in order to control the measurement/comparison process: measurement report and detailed measurement report flags, total iteration and tests, measurement scale, and confidence threshold.
The Scalable Test Platform provides a test framework in which to exercise Linux kernel builds. Patches can be created and built through the Patch Lifecycle Manager (PLM), and then run through your choice of performance and scalability tests. Kernel patches are loaded and built against stock kernels, and tests are executed on your selected hardware platform.
PureTest is primarily targeted for function testing in the earlier phases of a development project. Even though it supports testing a variety of applications it is especially useful for debugging and snooping of Web applications. It includes a HTTP Recorder and Web Crawler which makes it useful for generic verification of HTTP requests and Web content checking.
When you want to format multiple Java source in Eclipse, the only way is to open each and every file, right click in the editor window, select the "Format" option, and save the formatted file. This plugin allows you to select one or more packages in the Java Package Explorer and format all .java files in those packages. You can also choose to select just the specific Java source files you wish to format, or even the whole source directory.
Marathon is a GUI test tool that allows you to play and record scripts against a Java Swing UI. It's written in Java, and uses Python and Ruby as its scripting language (the emphasis being on an extremely simple, readable syntax that customers/testers/analysts feel comfortable with). Marathon includes a recorder, editor, player, and debugger to simplify working with test scripts.
A library for geospatial data file manipulation.
A robust keepalive framework for Linux Virtual Server and router HA.


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Each month, Rated People connects over 50,000 homeowners with quality tradesmen - simply enter your job details in the form above to get started.
We'll match your job to the relevant tradesmen in your area - those interested will pay to see your contact details and call you to quote.
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VueScan, the world's most popular scanner software, is used extensively by photographers, home users, scanning services and corporations. VueScan is a scanning program that works with most high-quality flatbed and film scanners to produce scans that have excellent color fidelity and color balance. It is very easy to use, and also has advanced features for restoring faded colors, batch scanning and other features used by professional photographers.
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Guided Meditation " Flowering Meadow"
- United States
- Self-Development
- English
More informationA flowery meadow in the mountains, away from the worries of everyday life - a spectacular and glorious sight. What if you could be very tiny and carry out an expedition to observe the wonderful nature and feel its healing power?
On our imagined trip you can dive deep into an exuberant vitality of a summer meadow. A feast for the senses in a sea of colors and aromas. After a hard day of work or in a phase of depression, this is ideal to feel vitalized again, to mobilize your strength and self-confidence with optimism.
This guided meditation is for adults and has been recorded in the studio by a professional speaker, so that it guarantees you the best and most enjoyable way to listen!


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Toppenish WA Businesses For Sale
Searched the DealStream database for Toppenish WA Businesses For Sale and found no matches. Expanded the search to nearby areas and found the following matches.
1,352 Acres Multi-Use #472577 posted Jul 24, 2017
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Multi-Use land development opportunity approved 1,352 acres Multi-Use land development in SE Washington State. $1 Billion in revenue build out potential. Purchase now as is for $11 million or become a partner as JV and share in the net profit. New approved JV partnership we bring $44.5 million in raw...
Full Service Hair Salon And Day Spa #470234 posted Jun 12, 2017
- Wenatchee, Washington, United States
- $80,000
Currently owner-operated with a leased, high traffic downtown plaza location, this business is turn-key, busy and profitable with repeat loyal clients. Perfect for the stylist/industry professional looking to own a salon with a well-established and reputable name in thriving Wenatchee, Washington. Current...
Lucrative Auto Rental Business - Not A Franchise #467416 posted Apr 28, 2017
- Moses Lake, Washington, United States
- $970,000
Well established in this thriving central Washington community, this independent car rental business is easy to operate and very profitable. There is little if any competition within a 100-mile radius. The business has a large, well-maintained fleet of vehicles from SUV's and compacts to large vans....
Quiznos #462134 posted Feb 2, 2017
- Ellensburg, Washington, United States
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This steady and stable business has been established for over 13 years in the same location. It has an outstanding location close to businesses, homes, apartments, and condos. The business occupies 1500 sq ft and has seating for 30. Everything is still just like new. The Franchise Royalty is 7% -...
Established and Profitable Auto Body Shop #459749 posted Dec 19, 2016
- Wenatchee, Washington, United States
- $295,000
The owner handles the front desk aspects of the business, such as customer relationships, providing estimates, inventory management and overseeing the business. This established auto body shop offers complete collision repairs services on all makes and models, foreign and domestic. Painting, collision...
I - 90 Restaurant & Bar #324674 posted Feb 21, 2013
- Ellensburg, Washington, United States
- $290,000
Fantastic opportunity for anyone seeking a profitable, absolute turnkey operation with a reputation for quality and full service. This well established, free standing, high traffic location is situated on an Interstate 90 Exit and provides an excellent and abundant mix of residential, business and...
Did you know that social networking is a great way to buy a business? Sign up now and we'll show you how.


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The $15,000 WPT freeroll is set for Sunday, December 17, 2006 at 2:30 p.m. (EST). The winner takes a main event seat in the PokerStars Caribbean Adventure at the Atlantis Resort and Casino in the Bahamas, plus accommodation and spending money. Additional cash prizes will also be awarded to runners-up.
Lianne Elias, senior editor at PokerListings.com, said, 'PokerListings.com is really pleased to once again be collaborating with PokerStars.com, a first-class poker room world famous for its cash tournaments and exceptional service.
'They've proven time and again to be one of the best. With three World Series of Poker Champions on their roster and some of the largest online poker tournaments in the world, there's no doubt about that.'


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Why the Textile Industry Matters
No matter what trend is in, whether it's a color, pattern or design, it is important to remember before a fashion designer can finalize their design or a trend comes to life they must start with raw materials
Great Britain's Advantage
In early 18th Century Great Britain was determined to dominate the textile industry
Coming up with new technology helped speed up the process of making clothes, giving them an advantage
Due to certain laws in Britain, English machinery was forbidden to be exported, as were the designs & instructions to built such machinery
Trends for 2014
Issues and Challenges
Major Players Rankings
the textile industry
The textile industry is a group of related industries which uses a variety of natural and/or synthetic fibers to produce fabric.
Steps Within Manufacturing Textiles
Harvesting & processing raw fiber to yarns & thread (Spinning)
Joining individual threads together to form fabric (Weaving)
Cleaning, Dyeing, Printing & Finishing
Rolling & Shipment
Design Process
The Power Loom
The Spinning Jenny
Invented by Edmund Cartwright in 1785
Invented by James Hargreaves in 1765
America's Textile Foundation
Social Responsibility
Cotton Production
Exposure to Chemicals
Exposure to Noise
In textile operations, chemicals based on crease-resistance agents release formaldehyde, a flame retardant that include organobromine compounds
Studies have revealed links between exposure to formaldehyde and cancer of the nasal & lung, as well as to brain cancer and leukemia, causing
Studies also revealed that textile workers were at high risk for developing cancer of the stomach. Furthermore, a high degree of colorectal cancer, thyroid cancer, testicular cancer and nasal cancer was observed among textile workers
High levels of noise have been observed in most units engaged in the textile industry, particularly those in developing countries.
Lack of efficient maintenance of machinery is one of the major reasons behind the noise pollution in a majority of units.
Problems like fatigue, absenteeism, annoyance, anxiety, reduction in efficiency, changes in pulse rate and blood pressure, as well as sleep disorders, have been noted on account of continuous exposure to noise.
Though it causes serious health effects, exposure to noise is often ignored by textile units because it's effects are not immediately visible and there is an absence of physical pain.
The OSHA law prohibits employers from retaliating against employees for exercising their rights under the law (including the right to raise a health & safety concern or report an injury).
The U.S. Consumer Product Safety Commission is in charge of protecting the public from unreasonable risks of serious injury or death
Before WTO's Agreement on Textiles and Clothing (ATC) introduced in 1995, textiles and clothing exports from developing countries to the industrial countries were subject to quotas under a special regime outside normal GATT rules.
Research Scientist:
(Within the US)
Conduct research directed toward the discovery and development of new materials technology for commercial and industrial applications.
Alters garments, using proper equipment and supplies to form finished garment
Arvind Mills
Companies can be socially responsible in many different ways & each company varies in the way that it chooses to be socially responsible
•established the Strategic Help Alliance for Relief to Distressed Areas, providing a better quality of life to the people in urban areas:
supplying clean water
and working with hospitals to
provide basic medical facilities to public
developed an environmental policy with a view to
protecting the environment
from the negative effects of its operations including
minimizing waste
Samuel Slater
"Founder of American Industrial Revolution"
built first successful cotton mill in New England (1790)
Francis Cabot Lowell
"Founder of World's First Textile Mill"
created a better power loom & spinning apparatus (1813)
Furs and Fringe
Sustainable Fabrics
Global Inspiration
Major Players:
Issues, Regulations, Opportunities & Social Responsibility:
Mackenzie, Mariame, Monique & Angelo
1. China
2. India
3. Germany
4. United States
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the textile industry
Presentation for Marketing 211 - LIU Brooklyn
Mackenzie Shafferon 14 December 2014
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Ride - Vapour Trail (Video) MP3
2005 WMG Vapour Trail (Video)
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Influential British shoegaze band Ride broke up in 1996 and have recently announced their reunion -- a special performance at Coachella. Watch / Listen to the ...
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Off their debut album "Nowhere"
Ride - "Vapour Trail" (Live at WFUV) MP3
http://wfuv.org • Follow @wfuv: http://ow.ly/flLAg Ride performs "Vapour Trail" live in Studio A. Recorded 9/21/2015. Host: Kara Manning Engineer: Jim O'Hara ...
Trespassers William - Vapour Trail MP3
Trespassers William - Vapour Trail.
Vapour trail - Ride (acoustic cover) MP3
Here's a new little song, while waiting for the real next ! Maybe I should change cameraman x)
Bag Raiders - Vapour Trails MP3
Vapour Trails by Bag Raiders iTunes https://itunes.apple.com/us/artist/bag-raiders/id262804084?ign-mpt=uo%3D4.
Ride - Vapour Trail (live at Brixton Academy 27/03/1992) MP3
from the DVD bonus disc of the 20th Anniversary Edition of Going Blank Again.
Ride - Vapour Trail live Brixton 1992 MP3
Ride playing Vapour Trail live at Brixton Academy, London, 27th March 1992, Going Blank Again tour.
RIDE Vapour Trail – Vapour Mix MP3
mixed by Robert Smith 2015 Remixes Released Worldwide Friday 9th October: iTunes: itunes.apple.com/us/album/vapour-…&mt=1&app=itunes Amazon: ...
Ride - Vapour trail (subtitulada, 1991) MP3
RIDE Vapour Trail – Trail Mix MP3
mixed by Robert Smith 2015 Remixes Released Worldwide Friday 9th October: iTunes: ...
Pekka Pohjola - Vapour Trails MP3
2nd track from Visitation, 1979 Written by Pekka Pohjola # Pekka Pohjola - grand piano, bass # Vesa Aaltonen - drums, percussion # Olli Ahvenlahti - electric ...
Bag Raiders - Vapour Trails (Audio Only) MP3
Subscribe to our YouTube channel http://BagRaiders.lnk.to/YouTube Get our music here http://BagRaiders.lnk.to/music Follow us on: Facebook ...
Trespassers William - Vapour Trail MP3
Music Video.
Vapour Trails MP3
From Phantom Power.
Ride - Vapour Trail live in Manchester Albert Hall MP3
Ride - Vapour Trail live in Manchester Albert Hall 2015.
Review Demo - Seymour Duncan Vapor Trail MP3
Read the review: http://bit.ly/SDVaporTrail Seymour Duncan is just about the biggest name in aftermarket pickups. That focus doesn't reflect the bounds of the ...
The Divine Comedy - Vapour Trail MP3
Ride cover. From "The Pop Singer's Fear of the Pollen Count" by The Divine Comedy.
Steven Wilson Vapour Trail Lullaby MP3
EP Vapour Trail Lullaby. All rights reserved to their owners.
Sylvan-Vapour Trail.wmv MP3
Vapor Trail Delay Pedal MP3
NEW SHIRT DESIGN: http://jareddines.bigcartel.com/product/but-does-it-djent-t-shirt Vapor Trail: http://www.seymourduncan.com/pedal/vapor-trail-analog-delay ...
Hiatus - Vapour Trail MP3
Ambient. Feed your mind. I know Hiatus a very long time, even before my activity on YouTube, I am very pleased that he continues what he's doing, and that's a ...
KakaSaku - Vapour Trail MP3
So, it's been about a year and a half since I made my last KakaSaku AMV. Hehe. Sorry! Life caught up with me and so you could say I went on a bit of a hiatus ...
「 ひこうき雲 / Vapour Trail 」 歌ってみた ENGLISH 【 pickle131 】 MP3
If you haven't seen this movie yet you probably should. But as a warning, it made me and many of my friends cry XD I've been meaning to record an English ...
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A song like this deserves to be uploaded. Enjoy the music. Aqualung - Vapour Trail. ------------- .:Lyrics:. ------------- I was feeling nothing, Forever never took so ...
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New upload with epic track from 2007 year remixed by Rory Gallagher known also as Rozza. Because of this shity music released those days, tunes like this one ...


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Front page
Monday, February 13, 2006
# Posted 6:32 PM by Ariel David Adesnik
On NBC, there was a roundtable Tom Daschle, Jane Harman, Pat Roberts and Peter Hoekstra. On CBS, Face the Nation had Condi and Howard Dean. On ABC, Condi again, Joe Biden and Lynn Swann. Here goes:
Tom Daschle & Jane Harman: B and A-. Daschle was pretty ho-hum. Harman struck me as much more candid than most talk show pols, especially on the politically sensitive issue of how well she was briefed about the wiretapping program in 2003 and 2004. Harman was also firm in her insistence that the program is a valuable one and should continue.And now for the hosts:
Tim Russert: B+. It's not easy to keep four legislators under control. But no particularly good shots.See you next week. (0) opinions -- Add your opinion
Comments: Post a Comment


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You've already got 5 items in your shopping cart, so there's no room to reserve another one. If you'd like, you can take something out of your cart to make room for this one.
Play Trailer
LEGO DC Super Heroes: Justice League: Gotham City Breakout
| ||
1:27 min|
Redbox Play Pass eligible
Plot Summary
Plot: Batman faces his greatest challenge yet: vacation! The caped crusader reluctantly agrees to let Batgirl and Nightwing take him on a long overdue vacation from crime-fighting, while Superman and the Justice League watch over Gotham City. Neither operation goes as planned when Batman's vacation is cut short by dangers from his past and invaders from the center of the earth, and Superman and the other Leaguers quickly realize just how much Batman usually has his hands full with the villains of Gotham.
Cast & Crew
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How to buy in-person at the Box
1. Go to Box:
2. Tap RENT & BUY GAMES
3. Tap FOR SALE
4. Select a game and complete purchase
3. Tap FOR SALE
4. Select a game and complete purchase
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