MIDSHAFT

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