7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
electric plasma cutters; welding electrodes; welding generators; electric welding machines; welding equipment, namely, tig welders, mig welders, and stud setters; replacement parts for welding guns and welding torches, namely, tips, nozzles, electrodes, electrode holders, contact tips, conduits, conductor tubes, retainers, diffusers, gas diffusers, insulators, nozzle retainers, cups, handles, collets, collet bodies, gas lenses, gasket insulators, nozzle gaskets, torch heads, o-rings, cup gaskets, back caps, water hoses, gas hoses, tungsten holders, tungsten grinders, tungsten electrodes, torch bodies, welding hoses, and coolers for welding equipment; gas welding guns; welding torches; electric arc welders
9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
welding helmets; pressure reducing regulators and flow meters for compressed gas; inverter power sources for welders