Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. . In industry, crushers are machines which use a metal surface to break or compress . typical of the Renaissance through the early-to-middle industrial revolution. .. A jaw crusher uses compressive force for breaking of particle.tin crusher characteristic jaw,Jaw Crusher BB 50 - RETSCH - reliable sample preparationThe Jaw Crusher BB 50 is the smallest crusher in the Retsch portfolio. . for easy cleaning; adjustable speed allows adaptation to sample characteristics . steel, tungsten carbide, zirconium oxide, steel 1.1750 (for heavy-metal free grinding).Jaw Crusher BB 200 - RETSCH - rapid and gentle crushingThe Jaw Crusher BB 200 crushes hard, brittle and tough materials. . Its variety of materials offered, including heavy-metal free steel, its efficiency . Features.
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