Balustrades of metal; Building materials, namely, in-wall trash and recyclable containment system sold as a unit, namely, in-wall metal trash chute device for mounting and spring-loaded chute doors; Cables of metal, non-electric; Cantilevered brackets of metal; Door springs of metal, non-electric; Metal garage doors; Metal hardware, namely, pulleys; Metal hardware, namely, springs; Metal karabiners; Metal pipe muffs; Metal valves not being parts of machines