Mining of Lime Stone (CaCo3) Used in Manufacturing Cement, Paper, Iron Steel, Precipitated Calcium Carbonate, Calcium Chloride. Manufacturing of Lime and Natural Calcium Carbonate, ( Mesh /Microns ), used in Glass, Vet nary Feed, Poultry Feed, Rubber Fillers, PVC Fillers, Ceramic Tiles, ETP Chemicals, de-sulphurising, etc.