7 Machine tools, namely, machine tools for running hydraulic pumps, machine tools for forming, cutting and welding of materials; engines except for those for land vehicles; non-electric couplings, namely, couplings for machines and transmission components, except for those for land vehicles, namely, chains and belts; compressed air engines, namely, engine for compressed air machines; Filters for cleaning cooling air, for motors and engines; Feeders for carburetors; Sparking plugs for internal combustion engines; ignition parts for internal combustion engines, namely, points, condensers and capacitors; alternators; parts of machines in the nature of shock absorber pistons; anti-pollution devices for motors and engines; ball rings for bearings for machines, namely, ball rings for engine bearings for motor vehicles; glow plugs for diesel engines; parts of machines, namely, cowlings; fuel economizers for motors and engines, namely, fuel injectors; Carburetors; universal joints, namely, cardan joints being part of machines; Crankcases for machines, motors and engines; control mechanism for machines, engines or motor, namely, pneumatic controls for machines, motors and engines, hydraulic controls for machines, motors and engines; fan belts for motors and engines; belts for motors and engines, namely, power transmission belts and timing belts; cylinder heads for engines; pistons for cylinders; starters for motors and engines; exhausts for motors and engines; parts for engines and machines, namely, air filters; injectors for motors and engines, namely, fuel injectors; parts of engines, namely, joints for motors; cylinders for motors and engines; igniting magnetos for motors and engines; pistons for engines; engine speed regulators, namely, variable speed drives for machines; cooling radiators for motors and engines; catalytic converters; air pumps for vehicle seats; automotive exhaust pipes