Welding apparatus and equipment in this class, including electric welding apparatus; soldering apparatus and equipment in this class; cutting apparatus in this class; weighing, testing and measuring apparatus; gas testing apparatus; regulating apparatus (electric), regulators in this class, and fittings, parts and accessories therefor; apparatus and instruments to adjust the flow of gases; safety equipment for welding, including goggles, helmets and gloves; wire feeders for arc welders.