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2. Roller shutter - Wikipedia

   en.wikipedia.org/wiki/Roller_shutter

   Roll shutters on windows. Security roller shutters in a dead mall. A roller shutter, security shutter, coiling door, roller door or sectional overhead door is a specialized type of door or window shutter consisting of multiple horizontal slats, bars, or web systems interconnected through hinges. The mechanism involves lifting the door to open ...

3. Shutter - Wikipedia

   en.wikipedia.org/wiki/Shutter

   Shutter (photography), a photographic device that administers the exposure by limiting the time over which light is admitted; Shutter, a device used to manipulate pulses of light in a signal lamp; Movie projector shutter, used to interrupt the emitted light during the time the film is advanced to the next frame; Remote shutter, in a selfie stick

4. Window security - Wikipedia

   en.wikipedia.org/wiki/Window_security

   The term window security may refer to any of a range of measures used to avoid unauthorized access through windows, and prevent crimes such as burglary and home invasions. Window security is used in commercial and government buildings, as well as in residential settings.

5. Jalousie window - Wikipedia

   en.wikipedia.org/wiki/Jalousie_window

   A jalousie window (UK: / ˈ dʒ æ l ʊ z iː /, US: / ˈ dʒ æ l ə s iː /), louvred window (Australia, New Zealand, Pacific Islands, Southeast Asia, United Kingdom), jalousie, or jalosy [1] is a window composed of parallel glass, acrylic, or wooden louvres set in a frame. The louvres are joined onto a track so that they may be tilted open ...

6. Window shutter - Wikipedia

   en.wikipedia.org/wiki/Window_shutter

   The term window shutter includes both interior shutters, used on the inside of a house or building, and exterior shutters, used on the outside of a structure. On some styles of buildings it is common to have shutters to cover the doors as well as the windows.

7. Hurricane shutter - Wikipedia

   en.wikipedia.org/wiki/Hurricane_shutter

   Hurricane shutters are used to prevent windows from being broken by flying objects during a storm. Although the negative pressure caused by high-speed wind flowing over a building roof can cause the roof to fail with the building envelope intact, broken windows allow the air pressure to rise inside a building , creating an even greater pressure ...