7 timing belt parts for machines, namely, timing belt tensioners; pistons for engines; bearing parts, as parts of machines, namely, discs for clutch thrust bearings; clutches for machines; throttle valves, being engine parts; fuel valves, being engine parts; air filters for automobile engines; air filters being parts of automobiles and motorcycles; hydraulically operated butterfly valves being parts of machines; carburetors; belt pulleys being parts of machines; starters for motors and engines; fuel injection apparatus in the nature of Fuel injection devices for internal combustion engines; fuel injection pumps in the nature of fuel injection devices for internal combustion engines; needle pistols in the nature of pneumatic needle guns being parts of machines ; fuel injector for engines; carburetor structural parts, namely, carburetor feeders; carburetor; diesel engines for machines; glow plugs for diesel engines; coalcutting machines; fuel conversion apparatus, namely, catalytic converts for internal combustion engines; sparking plugs for the internal combustion engines of vehicles; spark plugs; gas turbo engines not for land vehicles; ignition devices for internal combustion engines for motors of land vehicles