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Metal building materials, namely, metal windows, metal doors, metal skylights, metal exterior blinds, shutters of metal, and structural fittings and components for the aforementioned goods; door knobs of common metal and metal locks

Non-metallic building materials, namely, non-metal windows, non-metal doors, non-metal skylights, outdoor blinds not of metal or of textile, shutters not of metal, and structural fittings and components for the aforementioned goods; non-metal facade panels for construction purposes

Building construction services; repair services for doors and windows; installation of windows, doors, skylights, blinds, and shutters