6 partially wrought base metals and their alloys in plate, sheet, strip, foil, rod, tube, wire and section forms; partially wrought aluminum and its alloys in plate, sheet, strip, foil, rod, tube, wire and section forms; aluminum foil; strips of metal for further manufacture, ingots of base metals, metal sheets for further manufacture, signboards of metal; building materials of metal, namely, metal building panels, metal roofing, metal ceiling panels, metal tiles, metal door and window frames, metal boards for flooring, metal trestle used for table supports, metal load-bearing constructions, namely, framework of metal for buildings, reinforcing materials of metal for buildings, building boards of metal, building panels of metal, building linings of metal, and building wall claddings of metal, and metal wall cladding