Bars for metal railings; Door fittings of metal; Door jambs of metal; Door stops of metal; Doors and windows of metal; Doors of metal; Doorway barriers made of metal; Fences of metal; Metal door bolts; Metal guardrails; Metal pet doors; Metal safety gates for babies, children, and pets; Metal wire fencing; Pipes and tubes of metal; Poles of metal; Safety doors of metal; Steel tubes; Upright signboards of common metal; Water-pipe valves of metal