Class 007: Centrifugal grinding machines; Electric arc cutting apparatus; Electric arc welding machines; Electric plasma cutters; Electric sanders; Electric wax-polishing machines for household purposes; Electric wax-polishing machines for industrial purposes; Electric welding machines; Electrodes for welding machines; [ Extensions for power tools; ] Gas cutting guns; Gas welding guns; Gas welding machines; Grinding and polishing machines; Metal welding machines, namely, saws and cutters; Polishing machines for use in grinding and polishing metal, wood, ceramics and plastics; Power-operated polishers; Power-operated tools, namely, grinders; [ Power tool parts, namely, collets,Stator,Spindle; ] Welding torches