stone crushing equipment in - perkinspreschool
Jul 25, 2018 · Crusher. 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.General Machinery - Stone Crusher,Concrete Plant,Washing,,General Machinery Producing a modern Stone Crusher Plant , Concrete Batching Plant , Crushing, Screening and Washing Plant facilities over the years in Turkey and abroad. It gives serves in open machine area, Indoor 5,000m2, 10,000m2 since 1979 in Izmir.Crusher - Wikipedia,A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust.. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can be differentiated.