Bicycle assembling machines; Electric welding machines; Electrodes for welding machines; Fuel injectors; Packing machines; Paint spray guns; Power-operated spray guns; Power drill bit extensions; Soldering irons, electric; Soldering irons, gas-operated; Spraying machines; Welding electrodes; Electric arc welding apparatus; Electric pumps; Electric soldering apparatus; Pneumatic pumps; Power saw blades; Pulleys being parts of machines; Springs being parts of machines