Non-metallic building materials for assembly of sanitary installations, namely, plastic water tanks, plastic door frames, plastic filling valves, plastic flushing valves, foam insulation material and water-pipe valves, not of metal or plastic; rigid pipes, not of metal

Box springs

equipment for applying hot melt adhesives comprising a melter, a melt transfer hose and an applicator sold as a unit

vehicle suspension and slider system, sold as a unit for use in over the road trailers