Electric arc welding machines; Electric wax-polishing machines for industrial purposes; Electrodes for welding machines; Gas welding guns; Gas welding machines; Grinding and polishing machines; Industrial machinery, namely, electromechanical marking machines; Laser welding machines; Electric shearing machines; Electric welding machines; Forging moulds; Polishing machines for use in grinding and polishing metal, wood, ceramics and plastics; Welding electrodes; Welding torches