Junctions of metal for pipes; valves of metal other than parts of machines; pipework of metal; bed, hose and joinery fittings of metal for building; aluminum composite panel for building; clips of metal for cables and pipes; ironmongery in the nature of joists of iron; fluid storage tanks of metal; works of art of common metal; ores of metal

Water heaters; heating installations; pipes being parts of sanitary installations; faucet taps; water purifying apparatus and units