... wood, stone, blocks .1.4 Safety: There is shield covers belt pulley and forbidden to get close during the machine running ... shuck, machine cover, main shaft, motive gear assembly(rotor), mesh, pulley, assembly, powder sifting, belt pulley, feeder unit, outlet hopper etc.2.1 ... driving pulley to drive crusher belt, the material is crushed under the action of teeth assembly rotating rapidly in the crusher ...