6 Metal valve assemblies not being parts of machines for the nuclear, oil and hydroelectric power industry; Metal control valves not being parts of machines for the nuclear, oil and hydroelectric power industry; Metal extraction valves not being parts of machines for the nuclear, oil and hydroelectric power industry; Metal valves not being parts of machines for the nuclear, oil and hydroelectric power industry; Metal valves for controlling the flow of liquids in pipes for the nuclear, oil and hydroelectric power industry; Steel rods for the nuclear, oil and hydroelectric power industry; Metal rods for the nuclear, oil and hydroelectric power industry; Scaffolding apparatus of metal for the nuclear, oil and hydroelectric power industry; Metal elbows for connecting gas pipes to gas appliances for the nuclear, oil and hydroelectric power industry; Metal gates for the nuclear, oil and hydroelectric power industry; Metal couplings for hydraulic apparatus for the nuclear, oil and hydroelectric power industry