Before baking, powdered sugar is usually sifted over the top to give a soft crust. Body art quality henna is often more finely sifted than henna powders for hair. The ground mixture is sifted, and simmered. There the seaweed is ground, sifted to remove impurities such as sand, and washed thoroughly. The marinade is boiled, sifted, and cooled beforehand. The clay is ground, and then sifted and mixed with water. All layers were sifted systematically, which led to many minute fragments being discovered. The rubble was sifted for reusable decorative elements, which were reinserted into their original places. Manure should be sifted before use. After this re-drying process, each crude tea will be sifted and graded according to size. To the west are large lakes (one sifted and worked for gravel). International forensic experts sifted through thousands of documents and digital records from multiple sources. The learner then practices with slight variations of the sifted out questions. By May, they had sifted through of waste. It also sifted through 1600 letters and memoranda submitted by individuals, organisations and political parties.