Auxiliary power units for supplying electrical power; Cyclones; Electric arc welding apparatus; Electric scissors; Electric welding machines; Electric welding machines for metalworking; Electrodes for welding machines; Electronically and power-operated tools, namely, pullers and components therefor, nut splitters, extractors, separators, spanners and coil spring compressors; Fiber blowing machines; Fiber cutting machines; Gear cutting and finishing machines; Industrial engines; Knives, electr...