May 24, , Vice president of global marketing about stone crusher,grinding ball,and stone crushing plant [email protected] Gold occurs principally.
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 boost to muscle power, used against a stone anvil , the material is crushed due to squeezing and grinding inside the crushing chamber.