Chemical products used in industry; chemical additives and chemical agents, synthetic resins and plastics in crude state for soldering, brazing and welding processes and for the coating of surfaces; fluxes; welding components for metals; welding fluxes or welding powders in this class; chemical mixtures and reagents, mainly on an inorganic base in form of fluxing agents; coating materials in this class for soldering, brazing and welding as protective layers on machines and their parts; resins and plastics in this class in the form of liquids, powders, and pastes; preparations in this class for soldering, brazing or welding metals; rubber solutions and adhesives used in industry

Instructional and teaching services, all relating to fault/treatment diagnosis, maintenance, renovation and/or repair of installations, machines or appliances and of parts and fittings of installations, machines or appliances; all relating to plating, coating, shaping and to welding

Electric tools and machines; electric machines for resistance welding, incondescent welding, spark welding and arc welding; parts and fittings and tools in this class for such machines; plasma spraying and plasma welding apparatus in this class, flame spraying equipment in this class; jets, tips and nose pipes for such machines; welding helmets, welding electrodes, consumable electrodes in this class; torches and welding heads in this class; thermal spray diffusers in this class; feeders in this class for wires and rods; turbine-driven auxiliaries in this class for increasing energy in soldering, cutting and welding apparatus and feeders