Steel; Aluminium and its alloys; Aluminium foil; Common metals and their alloys including stainless steel; Hardware mounting system comprised of metal brackets for bath accessories and decorative hooks; Ladders of metal; Materials of metal for scaffolds; Metal pipes and tubes; Metal stepladders and ladders; Metal tent poles; Metals and metal alloys; Non-ferrous metals and their alloys; Scaffolding of metal; Stainless steel strainers used in the commercial preparation of foods, beverages, dair...