Aluminum alloys; vats of metal; beams of metal; joists of metal; containers in the nature of bottles of metal for compressed gas or liquid air, sold empty; balustrades of metal; blooms; ingots of common metal; casks of metal; barrels of metal; signboards of metal; works of art of common metal; jerrycans of metal; framework of metal for building; portable buildings of metal; buildings, transportable, of metal; Sheets of metal including those from alloy steel and titanium; metal name plates; co...