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  2. Electromagnetic door holder - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_door_holder

    Many fire doors do not lock, to allow building occupants to move within the building to find an exit easily. On the other hand, security doors may close, latch, and lock, to prevent passage. Other designs are used to secure sliding or overhead doors similarly, holding them open until a signal to release the doors to close automatically.

  3. Door breaching - Wikipedia

    en.wikipedia.org/wiki/Door_breaching

    Door breaching is a process used by military, police, or emergency services to force open closed or locked doors. A wide range of methods are available depending on the door's opening direction (inward or outward), construction materials, etc., and one or more of these methods may be used in any given situation.

  4. Safe-cracking - Wikipedia

    en.wikipedia.org/wiki/Safe-cracking

    Safe-crackers can use what are known as jam shots to blow off the safe's doors. Most modern safes are fitted with 'relockers' (like the one described above) which are triggered by excessive force and will then lock the safe semi-permanently (a safe whose relocker has tripped must then be forced, as the combination or key alone will no longer ...

  5. Electromagnetic lock - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_lock

    The first modern direct-pull electromagnetic lock was designed by Sumner "Irving" Saphirstein in 1969 [6] [7] [8] for initial installation on doors at the Montreal Forum. [9] Fire concerns by local authorities in locking the doors at the Forum prompted management to find a locking solution that would be safe during a fire incident.

  6. Why a closed bedroom door could save your life in a fire - AOL

    www.aol.com/news/2017-06-20-why-a-closed-bedroom...

    Pina said a closed door in a recent fire her department dealt with was the reason a little boy survived a house fire that overtook the home. SEE ALSO: Removing the screws from your door could help ...

  7. Safe - Wikipedia

    en.wikipedia.org/wiki/Safe

    Type of lock (e.g., combination, key, time lock, electronic locking) Location (e.g., wall safe, floor safe) Smart safes as part of an automated cash handling system; It is often possible to open a safe without access to the key or knowledge of the combination; this activity is known as safe-cracking and is a popular theme in heist films.

  8. Manual fire alarm activation - Wikipedia

    en.wikipedia.org/wiki/Manual_fire_alarm_activation

    Many modern fire alarm pull stations are single-action and only require the user to pull down a handle to sound the alarm. Other fire alarm pull stations are dual-action, and as such require the user to perform a second task before pulling down, such as lifting or pushing in a panel on the station or breaking a glass panel with an attached hammer.

  9. Woman discovers ‘secret’ floor safe while vacuuming in her ...

    www.aol.com/entertainment/woman-discovers-secret...

    In @imthefookinlizardking’s video, she showed the safe’s location under her carpet, as well as the fact that it was locked shut. the TikToker went on to explain how she found the safe — plus ...

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