6 Common metals and their alloys, metal ores; building and construction materials of metal, namely, metal cladding and supports; transportable buildings of metal; non-electric cables and wires of common metal; small items of metal hardware, namely, nails and screws; metal containers for storage and transport of goods; strong boxes, namely, safes; metal valves for conducting special fluids, not being machine parts; valves of metal, not being parts of machines, for conducting water, refining, gas, oil and other fluids; metal valves, not being parts of machines, for processing natural gas; gate valves of metal, not being parts of machines; ball valves of metal, not being parts of machines; check valves of metal, not being parts of machines; ball valves of metal in the nature of cryogenic metal valves, not being parts of machines; plug valves of metal, not being parts of machines; metal valves, not being parts of machines, for chemicals; metal valves, not being parts of machines, for petrochemicals; metal valves for mining, not being parts of machines; metal valves for gas pipelines, not being parts of machines; metal valves, not being parts of machines, for use with power generation equipment; metal switch valves, not being parts of machines; metal angle valves, not being parts of machines; metal butterfly valves, not being parts of machines; valves of metal for alumina, not being parts of machines; valves of metal, other than parts of machines, including those of alloyed steel and titanium; metal valves other than parts of machines; water-pipe valves of metal; valve assemblies of metal, other than parts of machines; metal hardware, namely, pulleys, springs and valves not including machine elements; valves of metal for water pipes; pipes, tubes, industrial hoses of metal and accessories thereof, namely, valves not being machine parts; hinge valves of metal, not being parts of machines; water pipe valves of metal; water supply valves of metal being manually operated metal valves; check valves of metal other than parts of machines; manually activated valves of metal; valves of metal for conducting water; valves of metal except part of machines; manually operated water conducting valves of metal, not being machine parts; manually operated valves of metal for controlling the flow of liquids in tubes, not being machine parts; manually operated valves of metal for controlling the flow of gases in pipes, not being machine parts; water-pipe valves of metal; high temperature valves of metal, not being machine parts; high pressure valves of metal, not being machine parts