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
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