Electric welding apparatus; electric welding machines; automatic welding machines; gas-operated welding apparatus; electric arc welding apparatus; electric welding torches; gas-operated welding torches; cutters (machines); gas-operated blow torches; electric arc cutting apparatus; electrodes for welding apparatus and welding machines; robots (machines); robots for welding; conveyers (machines); wire feeding equipment and wire advancing equipment for electric welding apparatus, welding machines and electric arc welding apparatus; control mechanisms for machines, engines or motors

Scientific, optical, signalling, checking (supervision) and life-saving apparatus and instruments; apparatus and instruments for accumulating electricity; data processing hardware; computers; computer software; current rectifiers; electric converters; inverters (electricity); welding transformers; welding rectifiers; welding converters; welding inverters; electrical and electronic controllers for welding apparatus and welding machines; material testing instruments and material testing machines; testing apparatus for weld seams; endoscopes, not for medical purposes; ultrasound apparatus, not for medical purposes; electronic controllers for robots; protection devices for personal use against accidents; clothing for protection against accidents, clothing for protection against radiation and fireproof garments; footwear for protection against accidents, footwear for protection against radiation, footwear for protection against fire; protective equipment for welders, including welding protective shields, welding masks, welding helmets, welding screens, welding goggles and welding gloves