Crusher - Wikipedia, the free encyclopediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. .. Mining operations use crushers, commonly classified by the degree to which they fragment the starting material, with primary and secondary.rock crushers classification,11 Crushing and classificationcrushing the rock to liberate the diamond (hopefully the diamond doesn't crush sometimes it does). One big diamond is worth a lot more than two small ones!ore crushing size classificationFeb 14, 2016 . Iron ores are rocks and minerals from which metallic iron can be economically extracted. classification of crusher on mode of crushing.
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