Metal penstock pipes; elbows of metal for pipes; pipes of metal; junctions of metal for pipes; valves of metal other than parts of machines; pipework of metal including those for alloy steel and titanium; metallic drain traps; ducts of metal for ventilating and air conditioning installations; nuts of metal; metal pipe joint for hot-water heating installations

Hydrants; urinals; toilet seats; pipes being parts of sanitary facilities; showers; bidets; plumbing fittings, namely, floor drains; bath installations; heating installations