Windows, namely, aluminum windows; doors, namely, metal doors; commercial windows and doors, namely, metal windows and metal doors; exterior and interior wall panels, namely, metal wall panels and aluminum wall panels; exterior metal curtain wall; metal sliding doors; partition walls, namely, wall panels of metal; metal cladding for building

Decorative centerpieces of common metal; Steel in sheet, rod, bar and/or billet form; Zinc and its alloys