6 Common metals and their alloys, unwrought or semi-wrought; steel; plates of metal being components for automobile construction; metal building materials, namely, slit strips of metal, slit strips of steel, metal bands, steel bands, coils of steel and coils of metal bands; sheet metal, sheet metal blanks being components for automobile construction, namely, bumper blanks, muffler blanks, tailpipe blanks, door panel blanks, hood blanks, roof blanks; sheet steel and sheet steel blanks being components for automobile construction, namely, bumper blanks, muffler blanks, tailpipe blanks, door panel blanks, hood blanks, roof blanks; mouldings of metal or press-hardening steel being components for automobile construction, namely, bumper mouldings, muffler mouldings, tailpipe mouldings, column mouldings, sill mouldings, door panel mouldings, roof mouldings, hood mouldings; goods of press-hardening steel being components for automobile construction, namely, columns, bumpers, sills, side impact protection, longitudinal beams, cross members, crashboxes