Caster raceway, rolling movements, balance, transmission, delivery. Pusher mechanism, shear bushings, skateboards, and out of the furnace shell platform truck, furnace lifting, tilting mechanism, electrode lifting mechanism, stepping straight pull means mechanical loading rocker, pull the shaft, finger, turned steel crankshaft watt, six-bar shears slide, grinding machine bearings, steel, four continuous casting machine to cut the shaft bushing, cutting car caster bushings 100 tons shear turret slide. Bushings, crank liner, gear bushings, rod sleeve, drawing machine octagonal axle watt, two-sided milling propulsion device, a ball mill, slag grab pulley bushings, sheet slitting the liner. Fillets, skateboards, unloading boom mechanism.