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.crusher for stone aggregate,Comprehensive Industry Document Stone Crushers - CPCB ENVISThe Comprehensive Industry Document on Stone Crushers is latest among .. construction aggregates and road stone, concrete aggregate, bituminous.crusher for stone aggregate,project profile on crushed granite stone - Development .Crushed stone aggregates are used for construction of roads, bridges, housing, . The granite stones of various sizes are fed into the jaw crushers for size.
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