Bar hangers and parts and fittings therefor made of metal for lighting fixtures; Brackets of metal for furniture; Metal roof trusses; Metal tent poles; Metal window sills; Portable stages composed of primarily metal materials; Scaffolding towers of metal; Stages for disc jockeys composed of primarily metal materials; Stages for musical performance composed of primarily metal materials; Stages for musical performances composed of primarily metal materials; Tent poles of metal; Transportable bu...