Nails; Bins of metal; Door handles of metal; Doors made primarily of aluminum and also including glass; Doors and windows of metal; Ducts of metal, for central heating installations; Metal doorknockers; Metal guardrails; Metal hardware, namely, nuts; Metal hose fittings; Metal locks; Signboards of metal; Silver-plated tin alloys; Spring locks of metal, other than electric; Wrought iron decorative artwork