Aluminum alloy; Aluminum alloys; Aluminum siding; Corrosion-resistant metal overlays and alloys for fittings, steel plates, flanges, piping components; Metal clips for general use; Metal hardware, namely, washers; Metal profiles made of steel, iron, nickel, titanium and other metals and their alloys; Stainless steel pipes; Steel pipes; Steel pipes and tubes; Window sashes of aluminium; Zinc alloy ingots