Bathtub grab bars of metal; Buckles of common metal; Doors of metal; Fire-dogs; Framework of metal for building; Greenhouse frames of metal; Hardware mounting system comprised of metal brackets for bath accessories and decorative hooks; Metal door frames; Metal garment hooks; Metal pre-rinse, wash down spray nozzles for commercial and industrial use; Metal scaffolding; Pipe muffs of metal; Screws of metal; Silos of metal; Trellis of metal