6 METAL BUILDING MATERIALS AND ELEMENTS, NAMELY, ROOFING PANELS; WALL PANELS; DOOR PANELS; FENCING PANELS; CEILING PANELS; ROOFS; ROOFING MATERIALS, NAMELY, GLAZING BARS, RIDGE BEAMS, EAVES BEAMS, GUTTERS, DECORATIVE PANELS AND MOULDINGS, CRESTINGS AND FINIALS; WINDOWS; WINDOW FRAMES; DOORS; DOOR FRAMES; AND PARTS AND FITTINGS FOR ALL THE AFORESAID GOODS