6 Blanks, billets, plates, sheets, profiles, sections, structural pipes, foils, wires of common metals and their alloys; structural tubes of metal; blanks, billets, plates, sheets, profiles, sections, pipes, foils, wires of aluminum and their alloys; girders of metal; bands of metal; bars of common metal; metal boundary posts; metal containers for transportation and storage; closures of metal for containers; roof coverings of metal; hinges, door knobs, lock plates of metal; metal sheets; bolts of metal; roofing of metal; locks of metal for vehicles, namely, door locks, locks for hoods and locks for trunks; booths of metal for spraying paint; windows of metal; window frames of metal; flanges for tubes of metal; foundry molds of metal; gangways of metal; storage stands of metal for casks; metal lattice work; metal bells; door handles of metal; unwrought or semi-wrought castings; shutters of metal; clips of metal for cables; metal panels; sheets of metal; cable joints of metal; cable joint sockets; boxes of common metals; boxes of metal; number plates of metal for vehicles; metal chains; clips and cramps of metal; bolts, screws, washers and shims; billets, plates, sheets, profiles, sections, structural pipes of unwrought or semi-wrought common metals or their alloys; metal socket joints; metal fasteners, namely, washers; name plates of metal; skylights and window shutters of metal; transport pallets of metal; locks; structural pipe of metal; hinges of metal; signboards of metal; road marking posts; structural supports of metal; panelling of metal; tanks of metal for liquid combustants; pulleys of metal; door strips of metal; doors of metal; door stops of metal; door handles of metal; door frames of metal; locks of metal for doors