license needed to start a stone crusher Malamulele
Crusher Wikipedia, the free encyclopedia. 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 provided a Valves move from open (green) to closed (red) of the sixteenth-and-seventeenth centuries;and as always, the charcoal needed to smelt...