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electric arc furnace control systems comprising displays, computers, operating computer software, hydraulic valves, hydraulic units, pumps, motors, filters, tanks, proportional valves, electric valves, regulators and control panels

electric arc cooling systems comprising water cool panels, side wall panels, roof panels, water cooled exhaust duct work; electric arc furnace conducting arms; electric arc furnace guide roller systems comprising rollers and bearings to guide the columns which hold the conducting arms; electric arc furnace subsystems comprising furnace shells, tilt platforms the shells sit upon; electric arc furnace support systems comprising transfer cars, hot metal ladles, scrap buckets, ladle furnaces, oxygen/carbon lenses, burners, gas/oxygen valve trains; and electric arc furnace roof lift mechanism; and electronic arc furnaces for metallurgical processing