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  2. Platform screen doors - Wikipedia

    en.wikipedia.org/wiki/Platform_screen_doors

    The door opening is 2.1 m (6 ft 11 in) wide, and the system includes integrated passenger information and digital advertising screens. The system is unusual in that the trains served are full-sized commuter trains, larger and longer than the trains of metro systems more commonly equipped with platform screen doors.

  3. Mantrap (access control) - Wikipedia

    en.wikipedia.org/wiki/Mantrap_(access_control)

    Mantrap (access control) A mantrap, security mantrap portal, airlock, sally port or access control vestibule is a physical security access control system comprising a small space with two sets of interlocking doors, such that the first set of doors must close before the second set opens. [1] [2] [3] Airlocks have a very similar design, allowing ...

  4. Electronic lock - Wikipedia

    en.wikipedia.org/wiki/Electronic_lock

    A quick demonstration of an electronic door lock. An electronic lock (or electric lock) is a locking device which operates by means of electric current. Electric locks are sometimes stand-alone with an electronic control assembly mounted directly to the lock. Electric locks may be connected to an access control system, the advantages of which ...

  5. Safety on the Mass Rapid Transit (Singapore) - Wikipedia

    en.wikipedia.org/wiki/Safety_on_the_Mass_Rapid...

    The Emergency Stop Plunger, found in all MRT stations, enables trains to be stopped before entering stations in case of an emergency. The safety of the Mass Rapid Transit (MRT) system in Singapore was questioned by the public after several accidents on the system during the 1980s and 1990s. Most problems have been addressed, and many safety ...

  6. Mass Rapid Transit (Singapore) - Wikipedia

    en.wikipedia.org/wiki/Mass_Rapid_Transit_(Singapore)

    Top speed. 78–90 km/h (48–56 mph) (service) 90–100 km/h (56–62 mph) (design) MRT network map. The Mass Rapid Transit system, locally known by the initialism MRT, is a rapid transit system in Singapore and the island country's principal mode of railway transportation. The system commenced operations in November 1987 after two decades of ...

  7. Electromagnetic lock - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_lock

    Operation. The principle behind an electromagnetic lock is the use of electromagnetism to lock a door when energized. The holding force should be collinear with the load, and the lock and armature plate should be face-to-face to achieve optimal operation. The magnetic lock relies upon some of the basic concepts of electromagnetism.

  8. Jurong Region MRT line - Wikipedia

    en.wikipedia.org/wiki/Jurong_Region_MRT_line

    The Jurong Region Line ( JRL) is a Mass Rapid Transit (MRT) line under development that will serve the western parts of the country, particularly the new town of Tengah and its surrounding areas. First envisioned as a Light Rail Transit (LRT) line in 2001, it was put on hold throughout the 2000s before its current iteration as a MRT line was ...

  9. Platform gap filler - Wikipedia

    en.wikipedia.org/wiki/Platform_gap_filler

    Platform gap fillers are used in the Mass Rapid Transit system of Singapore, namely the North South MRT line and the East West MRT line. Platform gap fillers are also planned for installation on trains on the North East MRT line and the Circle MRT line as well, because newer trains can be equipped with gap fillers. [8]

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