Resultالسعري كسارة الحجر مصنع ر ح. كسارة الفحم ح - arabcrushingmachineasia. A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust The earliest of these were in the foundries, but as coal took hold the larger operations, in 1960 may be able to produce 170 tons/h of crushed rock, whereas the same size …