Chicken houses of metal; Fasteners of metal for scaffolds; Masts of metal; Metal balustrades; Metal brazing rods; Metal carabiners; Metal palisades; Metal pegs; Metal poles; Metal posts; Metallic flanges; Poles of metal; Poles of metal for electric lines; Steel masts; Steel pipes; Steel rebars, rods, and mesh used for strengthening and reinforcing concrete structures; Threaded metal rods