Jun 15, 2018· Limestone Mining - RitchieWiki. In cement plant, limestone is the important raw material to make The limestone Jaw Crusher is widely used in mining,
Crusher - Wikipedia. A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. The earliest crushers were hand-held stones, where the weight of the stone provided a boost to muscle power, used against a stone anvil.