Electric arc cutting apparatus; Electric arc welders; Electric arc welding apparatus; Electric arc welding machines; Electric plasma cutters; Electric welding machines; Electrodes for welding machines; Engraving machines; Gas cutting guns; Gas welding machines; Laser engraving machines; Laser welding machines; Lathes for metalworking; Machine parts, namely, nozzles which are parts of power-operated sprayers; Machine tools, namely, jaws for use in the precision clamping of work pieces; Metal w...