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2. Electric gate - Wikipedia

   en.wikipedia.org/wiki/Electric_gate

   A sliding electric gate with electric motor and backup battery in case of mains failure. Note also the Infrared obstacle sensor located on the wall to prevent the gate from closing while a vehicle or other obstacle is in the way. Driveway gate openers can be the rollback (sliding) type that retracks a gate along the fence or wall on wheels or ...

3. Swing-door operator - Wikipedia

   en.wikipedia.org/wiki/Swing-door_operator

   Types. There are 3 basic types of swing door operators: Full Energy – It opens and closes the door at full speed. Low Energy – It opens and closes the door at reduced speed to limit the kinetic energy of the moving door to levels deemed safe for disabled users. Power Assist – This is a version of the low-energy operator.

4. Garage door opener - Wikipedia

   en.wikipedia.org/wiki/Garage_door_opener

   A residential garage door opener. The motor is in the box on the upper-right. A garage door opener is a motorized device that opens and closes a garage door controlled by switches on the garage wall. Most also include a handheld radio remote control carried by the owner, which can be used to open and close the door from a short distance.

5. Radio-frequency identification - Wikipedia

   en.wikipedia.org/wiki/Radio-frequency_identification

   ] St Charles Sixth Form College in west London, England, starting in 2008, uses an RFID card system to check in and out of the main gate, to both track attendance and prevent unauthorized entrance. Similarly, Whitcliffe Mount School in Cleckheaton , England, uses RFID to track pupils and staff in and out of the building via a specially designed ...

6. Invasion (2021 TV series) - Wikipedia

   en.wikipedia.org/wiki/Invasion_(2021_TV_series)

   Release. October 22, 2021 (2021-10-22) – present (present) Invasion is an American science fiction television series created by Simon Kinberg and David Weil that premiered on Apple TV+ on October 22, 2021. [ 2 ][ 3 ] It is shown in English, Japanese, and Pashto. It has received a mixed critical response, praising the acting, music and pacing ...

7. Snowpiercer (TV series) - Wikipedia

   en.wikipedia.org/wiki/Snowpiercer_(TV_series)

   Snowpiercer (TV series) Snowpiercer is an American post-apocalyptic dystopian thriller television series that premiered on May 17, 2020, on TNT. It is based on both the 2013 film of the same name, directed by Bong Joon-ho, and the 1982 French graphic novel Le Transperceneige by Jacques Lob, Benjamin Legrand and Jean-Marc Rochette, from which ...