6 Doors, gates, garage doors, door and gate frames, fences, windows, window and door casements and surface-mounted casements, canopies, window sills, metal paneling for walls and ceilings; metal exterior roller blinds; staircases, stair railings; and fittings, namely metal handles, metal casings, metal hinges and metal doorknobs for doors, gates, windows, and furniture all made of metal