Electric heating equipment, namely high temperature furnaces, kilns and heating elements; heating systems composed primarily of metallic or ceramic heating elements and process tubes and muffles in which a wide variety of items are heated to high temperatures for purposes of holding melt at temperature, transferring heat across surface areas, and melting of non-ferrous metals, namely, aluminum, magnesium, brass, tin, and sintering, thermal de-binding, high temperature firing, thermal cycling, calcining, raising the temperature of materials through slow rotation, and heating of glass and plastics, namely, rapid heating, optical fiber drawing, glass annealing, and melting; furnaces; heating elements and metallic heating elements; heating installations
Environmental Control ApparatusRepair, rebuild, maintenance and installation of electric heating equipment, heating systems, furnaces, heating elements, metallic heating elements and heating installations
Building Construction and Repair