Gypsum

الوصف

Gypsum is used in a wide variety of applications: 
Gypsum board is primarily used as a finish for walls and ceilings, and is known in 
construction as drywall, sheetrock or plasterboard. 
Gypsum blocks are used like concrete blocks in building construction. 
Gypsum mortar is an ancient mortar used in building construction. 
Plaster ingredients are used in surgical splints, casting moulds and modeling. 
Fertilizer and soil conditioner: 
It is also used in ameliorating high-sodium soils. 
A binder in fast-dry tennis court clay 
A wood substitute in the ancient world: 
Adding hardness to water used for brewing 
A component of Portland cement used to prevent flash setting of concrete