Aluminum is an abundant metal
which has many uses. I comes from Bauxite ore, which looks like clay but
contains aluminum and several other substances. Workmen extract these othe
substances from the bauxite by grinding it and putt it into high pressure
tanks. The other substances form a mass that is removed with filters leaving
a liquid to remain. The liquid is put through several other processes with
a final product called alumina; alumina is a powdery, white chemical mixture
of aluminum and oxygen. The workmen use electricity to separate the aluminum
from the oxygen to produce a light, silvery, |