Their grazing is typically supplemented with hay and concentrates. Calcium should be supplemented frequently in very small amounts. In some countries certain foods have been supplemented with thiamine, and have reduced WE cases. Subsequently, the population has been supplemented in 2005 and 2008. Continuous Production can be supplemented using a Continuous Processor. These were usually supplemented with four unconnected external fuel tanks. Low salaries were often supplemented by private practice. Grain flours may also be supplemented with cooked potatoes. When feeding grape marc, it should be supplemented with some bran. Formula is supplemented with vitamin D for this reason. Railroads were later supplemented or replaced by a system of highways and airports. If necessary, the chick is supplemented with formula. The SOW is often supplemented by technical reference documents and attachments. Hunting and fishing often supplemented the crops. Local funding may be supplemented by other government funding.