Door security devices of metal for buildings (non-electric, not optical); doors of metal for security purposes; fasteners of metal being security devices for doors; fasteners of metal being security devices for windows; metal building elements for security structures; metal roller shutter doors for security purposes; metal security (anti-theft) devices (non-electric, not for vehicles); metal security barriers; metal security wire; non-electric security locking devices of metal; security devices of metal, other than for vehicles; security door frames of metal for buildings; security doors of metal for buildings; security gratings of metal for the outside of buildings; security shutters of metal; channels of metal for transmitting air for ventilation; metal ventilation channels; ventilation grilles of metal for fitting in doors; ventilation grilles of metal for fitting in windows