Steel alloys unwrought or semi-wrought; titanium unwrought or semi-wrought; clad steel plates and sheets; galvanized steel sheets; sheets of metal including those from alloy steel and titanium; steel in sheet, rod, bar and/or billet form; steel in the form of sheets, plates, foils and coils; steel plates and sheets; steels in the form of sheets, plates, foils and reels; zinc-coated steel sheets; armour plate and armour plating; building materials, namely composite panels composed primarily of metal; reinforcing materials of metal for building purposes