Crusher - WikipediaA 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. .. Jaw crushers are heavy duty machines and hence need to be robustly constructed.crusher black stone crusher jaw crusher,Stone Crusher Plant - Suppliers & Manufacturers in IndiaThe Stone Crushing Plants includes vibrating feeder, jaw crusher, impact crusher, vibrating screen, belt conveyor and centrally electric controlling system, etc.
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