Steel; 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; Chain hoist used for lifting and rigging; Corrosion-resistant metal overlays and alloys for fittings, steel plates, flanges, piping components; Metal casters; Metal hardware, namely, carabiners of metal; Metal window pulleys; Metallic frames for sliding doors; Plating compositions composed of metal; Pulleys of m...