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. . Other metallurgical developments such as silver and gold mining mirrored the practices.stone crusher additional,Crushed Stone: Line, Granite, Traprock and More - GeologyA brief description of the more important rocks for crushed stone is provided . That makes it harder than crusher jaws, loader buckets, sizing screens, truck beds,.
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