B

Metal fittings for connecting pipes and tubes; [ pipes of metal; metal valves not being parts of machines; nuts of metal; ] pipe fittings of metal; metal plumbing fasteners, namely, [ clips, brackets, ] connectors, tees, [ flanges, ] bends and elbows all for pipes; [ solders, namely, solder wire, hard solder and solder rings, namely, rings made of solder used for connecting pipes and tubes; metal seals for use in plumbing and heating applications; ] items of metal hardware, namely, [ compression rings for use in sealing pipe joints, nuts, plugs, nipples, ] tees, pipe connectors, elbows, [ flanges, ] bends, [ washers, ] stop ends, namely, metal fittings used as leak-proof seals at the ends of pipes and tubes, and caps for pipes