ELECTRIC HEATING EQUIPMENT, NAMELY HIGH TEMPERATURE FURNACES, KILNS AND HEATING ELEMENTS; FURNACES; HEATING INSTALLATIONS; 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; HEATING ELEMENTS AND METALLIC HEATING ELEMENTS

REPAIR, REBUILD, MAINTENANCE AND INSTALLATION OF ELECTRIC HEATING EQUIPMENT, HEATING SYSTEMS, FURNACES, HEATING ELEMENTS, METALLIC HEATING ELEMENTS AND HEATING INSTALLATIONS