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Crusher Wikipedia

A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. James Watt's later Watt steam engine was an improved version of the . at a mine might consist of a crusher followed by a SAG mill followed by a ball mill. Jaw crushers are heavy duty machines and hence need to be robustly 

Powder Making PlantCrusher exporters in China. SBM is a

Dec 21, 2009 SBM Crushers have been exported to India, Nigeria, brazil, Kazakhstan etc. Cone Crusher, Raymond mill(Grinder), Sand making machine,