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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 crushers were hand-held stones, where the weight of the stone .. Some crushers are mobile and can crush rocks as large as 60 inches. . sticky, 3/1 to 5/1, Heavy mining, Quarried materials, sand & gravel, recycling.

Comprehensive Industry Document Stone Crushers - CPCB ENVIS

The Comprehensive Industry Document on Stone Crushers is latest among .. Various types of stone washing screens. 1. 4.1 . of Roads, Highways, Bridges, Buildings, Canals etc. . crushing plant, transportation of mined stones and crushed products etc. . Stone Crushers also need electricity supply and large number.
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