Bolts of metal; Doors of metal; Filings of metal; Masts of metal; Metal clamp-type fasteners for holding in place curtains, tarps, canvas, cloth and film covering material; Metal license plates; Metal locksets; Metal pipe clips; Metal rails; Metal staircases; Metal wainscotting; Metal water pipes; Metal wheel clamps; Metal window cranks; Metallic pipes; Metallic pipes and tubes; Nuts of metal; Outdoor blinds of metal; Steel balls; Tool boxes of metal, empty