Air filters for mechanical purposes; Air filters for vehicle motors and engines; Automotive exhaust pipe; Elevator doors; Engine mufflers; Engine or motor mufflers; Exhaust manifold for engines; Exhaust pipes for land vehicles; Headers as part of vehicle exhaust system; Motor mufflers; Mufflers for motors and engines; Silencers as part of vehicle exhaust systems; Turbochargers for machines; Waste compactors; Wheels being parts of machines
Machinery