BLOCK ALUMINUM AND ITS ALLOYS AND BUILDING AND CONSTRUCTION MATERIALS MADE OF ALUMINUM AND ITS ALLOYS; NAMELY, DOORS, DOOR RUNNERS, DOOR KNOBS, DOOR KNOCKERS, WINDOWS, WINDOW LATCHES, WINDOW PULLEYS, WINDOW CASEMENT BOLTS, WINDOW STOPS, WINDOW FRAMES, WINDOW JALOUSIES, FENCES, PANELS, EXTERIOR BLINDS, EXTERIOR SHUTTERS, PARTITIONS, STEPS, ROOF FLASHING AND ROOFING SHEETS