Appliance, Industrial 1
Appliance, Industrial 1 : Industrial High-Heat Appliance: An industrial appliance that is larger than 100 ft3 (2. 8 m3) in size, excluding blower compartment, fan compartment, and burner equipment, such as a billet or bloom furnace, a blast furnace, a brass melter, a cupola, a glass furnace, an open-hearth furnace, a ceramic kiln or a vitreous enameling oven for ferrous materials