Steel alloys; cast steel; steel pipes; junctions of metal for pipes; valves of metal, other than parts of machines; pipe work of metal, namely, pipe elbows; metal drain traps and water pipe valves; water-pipe valves of metal; penstock pipes of metal; small hardware of metal, namely, washers, springs and pulleys

Metal working machines; oiler tubes being parts of metal working machines; engine parts, namely, joints and sealing joints; pumps as parts of machines, engines or motors; machine pumps; valves as parts of machines; valves being parts of engines, machines and motors