metal crusher machine: 1.cut various of scrap metals and other materials 2.make the scrap material into small pieces. 1.cut various of scrap metals and other materials2.make the scrap material into small pieces. Broken Objects: wood, furniture, beds, straw mats, mattresses, carpets, soft plastic, rubber, cloth, rigid plastics, household electrical appliances (except for the engine), tires, cable, ...