metallurgical furnaces; metallurgical shaft furnaces; electrically operated melting furnace; electrical arc furnaces, namely non-tilting, continuously charged, continuously melting; parts for metallurgical furnaces, namely with hearth exchange systems, fixed charging shafts, furnace linings, charging means, burners, lances, integral post-combustion; water- cooling systems, comprising water pipes, valves, conduits and spray nozzles, continuous emission monitoring and control

METALLURGICAL FURNACES, METALLURGICAL SHAFT FURNACES, ELECTRICALLY OPERATED MELTING FURNACES; ELECTRICAL ARC FURNACES, NAMELY, NON-TILTING, CONTINUOUSLY CHARGED, CONTINUALLY MELTING FURNACES; WATER-COOLING SYSTEMS FOR FURNACES COMPRISING WATER PIPES, VALVES, CONDUITS, SPRAY VALVES, AND CONTINUOUS EMISSION MONITORS AND CONTROLS; PARTS FOR METALLURGICAL FURNACES, NAMELY, FURNACE SHAFTS, BURNERS AND BURNER LANCES

Medical apparatus used for bone fixation, namely, bone fixation implants