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2. Roller shutter - Wikipedia

   en.wikipedia.org/wiki/Roller_shutter

   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 it and lowering it to close.

3. Window shutter - Wikipedia

   en.wikipedia.org/wiki/Window_shutter

   The old town of Dinkelsbühl, Germany, completely consists of houses with colored exterior shutters. Exterior shutters were originally constructed for light control, privacy, security and protection from the elements. Many areas of tropical Australia, the Mediterranean, Africa, and the American South, feature exterior shutters that block the ...

4. Home security - Wikipedia

   en.wikipedia.org/wiki/Home_security

   Door and window sensors are also implemented in most home security systems. One part of the system is installed on the door or window itself while the other part is installed on the frame of the door or window. The two part system connects securely when a door or window is closed, creating a security circuit. [5]

5. Window security - Wikipedia

   en.wikipedia.org/wiki/Window_security

   In addition, during a fire or a similar emergency situation in which it is necessary to escape, lockable windows, window shutters or grilles (especially fixed ones) may become dangerous obstacles, so it is necessary to ensure that the keys are as close to the windows as is practical or, if a window is an important emergency exit, that it can be ...

6. 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

7. Emergency management - Wikipedia

   en.wikipedia.org/wiki/Emergency_management

   Closing all interior doors, reduces the forces on the roof. [33] Doors, windows, and roofs rated for 195 mph (314 km/h) winds are stronger during hurricanes, typhoons and tornadoes. Hurricane-rated garage doors and rolling and accordion shutters at windows can reduce damages. [34] [better source needed]