Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. . Contents. [hide]. 1 Background history; 2 Industrial use; 3 Types of crushers .. Seeing ahead clearly, Darby, sold off his brass business interests and relocated to Coalbrookdale with its plentiful coal mines, water power and.crusher business content,Made Here: Etna business has been crushing material for 50 yearsAug 12, 2016 . The Etna company, in its 50th year, manufacturers earth-crushing, screening . president of engineering, grew up in the crushing and screening business. .. Original content available for non-commercial use under a Creative.
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