MACHINE MOTORS; MACHINE COUPLING AND TRANSMISSION BELTS; GRINDING MACHINES; CLACK VALVES BEING PARTS OF MACHINES; BEARINGS BEING PARTS OF MACHINES; MECHANICAL SHOVELS; EXTRACTION BUCKET TEETH BEING PARTS OF MACHINES; VALVE SEATS AND NEEDLES BEING PARTS OF MACHINES; WEARING PARTS FOR MECHANICAL SEALS, DIES AND DEFIBRATING AND REFINING PLATES ALL BEING PARTS OF MACHINES; FOUNDRY MACHINES