[ 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 ]