Carburetors; Valves being engine parts for introducing fuel-air mixtures into the combustion chambers of internal combustion engines; Air filters for automobile engines; Filter elements for fuel filters; Clutches for machines; Pressure switches as parts of machines; Compressed air machine components, namely, cylinders, valves and air grips; Electronically and power-operated tools, namely, pullers and components therefor, nut splitters, extractors, separators, spanners and coil spring compress...