Aluminum is a abundant metal
that comes from bauxite. Bauxite is an ore, that looks like clay. I contains
aluminum and several other substances. Workmen grind the bauxite, put into
pressure tanks, which the other substance form a mass. They use a filter
to remove the mass and a liquid remains. Putting it through several other
process it, finally yields a chemical that is powdery and white called
alumina, a mixture called aluminum. It contains oxygen, which workmen seperate
it using electricity. They finally produce a metal which is light, silvery,
bright luster and comes in many forms. |