EXTENDO

Laminated and molten building materials of metal, namely, composite panels composed primarily of metal, metal tracks, clamps, washers, screws, wheels, stoppers and plates for sliding doors; metal rails; metal chains, nails and screws of metal for sliding doors; rigid and articulated metal hardware for operating, supporting and hanging doors, windows, blinds, casings, curtains and door panels; metal jalousies and metal gratings for panels; doors of metal; door frames of metal and window frames of metal. Non-electric device, namely, non-electric door openers, namely, sliding door systems, namely, metal sliding doors

building glass, glass for windows (except glass for vehicle windows), door and window frames not of metal, windows not of metal and door panels not of metal