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Crushing, Grinding, and Polishing Machine Setters, Operators, and ...

Add or mix chemicals and ingredients for processing, using hand tools or other devices. Break mixtures to size, using picks. Clean work areas. Clean, adjust and...

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Crusher

A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more ea...

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