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Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
systems for new construction and for refurbishing, renovating, and modernizing existing bathtubs, bathtub enclosures, shower enclosures and shower bases and floors,bathroom walls, waterproofing interior and exterior walls of buildings, tunnels, train stations, stairwells, hospitals, subway stations and lobbies, water sprinkler, steam pipe and other plumbing fixture soffits and other public spaces, using bathtubs, showers,bathtub liner systems, shower base systems, and various shaped wall panel and enclosure systems and assemblies, made of steel with a fired-on porcelain enamel coating, namely,bathtub enclosures; excluding such systems sold with electrical lighting and wiring fixtures, and further excluding electrical lighting and wiring fixtures for such systems