usecalgrace88

__**Uses**__

 * __Calcium is used as a dietry supplement, helps the bones or teeth get dense.__
 * __Helps reducing the preparation of metals such as thorium, uranium, zirconium, etc.__
 * __To make quicklime, its a cheap way to make widely used in the chemical indrustry.__
 * __Calcium from limestone is an ingredient of making Portland cement__.