Uranium is the basic material for nuclear programs. Uranium is mined in open pit and underground mines. Uranium is found naturally around the world, but few ore deposits are found. It is a radioactive, silvery-white metal that is hard and ...
Sweet potato is a staple food in Japan and produces about 1.8 million tons a year. Mainly cultivated in Kyushu and Canto states. Sweet potato is used to extract calcium. For use in the food industry; For use in animal ...