Buildings, transportable, of metal; Fittings of metal for transportable metal buildings, namely, door fittings, window fittings; Building materials of metal, namely, ceiling boards of metal, floor boards of metal; Doors of metal; Pipework of metal; [ Non-electrical wire of common metal alloys, except fuse wire; Reinforcing materials of metal for machine belts; Signs, non-luminous and non-mechanical, of metal; Rods of metal for welding; ] Props of metal for transportable metal buildings, namel...