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Crusher - Wikipedia

A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. ... The earliest of these were in the foundries, but as coal took hold the larger operations became the coal breakers that fueled industrial growth from...

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Sizer Crushers For Coal And Soft Ores | zenith

Our zenith sizers have a proven record of reliability and consistency in meeting the crushing requirements of coal and soft ores up to a hardness of 150 MPa.

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