Machine parts, namely, castors, guide rollers, supporting rolls, directing rolls, [diabolo discs,] crane castors, rope pulleys, rope feeders, rope deflection sheaves, wire guide rollers, conveyor castors, latch chain rollers, [bandages for rollers,] deflection sheaves, take-off rolls, smoothing rolls, pressure rolls, [ belt discs, driven rolls, ] in-feed-discs, gear wheels, toothed racks; bevel wheels, [spiral gears,] sprocket wheels, [ metering discs, ] bottle feed tables, bearing bushes, bu...