Metal casters; Rerolled steels; Transportable greenhouses of metal for household use; Reinforcing materials of metal for building; Awnings of metal; Metal holders for signboards; Metal spacer brackets for building walls; Scaffolding of metal; Metal fasteners for scaffolds; Bolt snaps of metal; Arbors of metal; Palings of metal; Posts of metal; Trellis of metal; Floating docks of metal, for mooring boats