Air filters for mechanical purposes; Air filters for motorcycle motors and engines; Air filters for pneumatic controls being part of machines; Air-operated power tools, namely, impact wrenches, ratchet wrenches, drills, grinders and orbital sanders; Bending machines; Cam shafts; Camshafts for vehicle engines; Carburetors; Carburetters; Combustion engine fuel nozzles; Cylinder exhaust gaskets; Cylinder head gaskets; Cylinder intake gaskets; Thermostatic control valves for machines; Three dimen...