Containers of metal for chemicals, compressed gases and liquids; Containers of metal for compressed gas or liquid air; Containers of metal for liquid fuel; Industrial packaging containers of metal; Liquefied gas storage tanks of metal; Metal containers for the storage and transportation of goods; Metal cylinders for compressed gas or liquids, sold empty; Metal pipe fittings for compressed air pipes; Rods of metal for welding; Signboards of metal; Soldering wire of metal; Valves of metal, othe...