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  2. Safe-cracking - Wikipedia

    en.wikipedia.org/wiki/Safe-cracking

    The safecracker will drill a hole allowing him to get his scope into a position to observe the change key hole. While spinning the dial and looking through the change key hole for certain landmarks on the combination lock's wheel pack, it is possible to obtain the combination and then dial open the safe with the correct combination.

  3. VingCard Elsafe - Wikipedia

    en.wikipedia.org/wiki/VingCard_Elsafe

    VingCard Elsafe, whose origin was in Moss, Norway, is an international producer of hotel locking systems, electronic in-room safes and energy management systems.After inventing the first mechanical hole card operated lock in 1976, VingCard was acquired in 1994 by ASSA ABLOY, and merged with the electronic safe producer Elsafe [2] to form VingCard Elsafe in 2006.

  4. Remote keyless system - Wikipedia

    en.wikipedia.org/wiki/Remote_keyless_system

    A security concern with any remote entry system is a spoofing technique called a replay attack, in which a thief records the signal sent by the key fob using a specialized receiver called a code grabber, and later replays it to open the door. To prevent this, the key fob does not use the same unlock code each time but a rolling code system; it ...

  5. Electric strike - Wikipedia

    en.wikipedia.org/wiki/Electric_strike

    Also called fail-open. In this configuration, applying electric current to the strike will cause it to lock. It operates the same as a magnetic lock would. If there is a power failure, the door opens merely by being pushed or pulled. A new trend is a strike that is quickly reversible from fail safe to fail secure (and back again if needed).

  6. Electronic lock - Wikipedia

    en.wikipedia.org/wiki/Electronic_lock

    The software is used to set and modify the data of each key and lock. [2] Using this type of key and lock control system does not need to change user habits. In addition, compared with the previous mechanical device, its advantage is that only one key can open multiple locks instead of a bunch of keys like the current one.

  7. Lockout–tagout - Wikipedia

    en.wikipedia.org/wiki/Lockout–tagout

    Lockout Tagout hasp can accommodate up to 6 padlocks, can be used during group LOTO procedure. Lock out, tag out or lockout–tagout (LOTO) is a safety procedure used to ensure that dangerous equipment is properly shut off and not able to be started up again prior to the completion of maintenance or repair work.

  8. “Be Careful Who You Mess With!”: 48 Glorious Times People ...

    www.aol.com/careful-mess-48-glorious-times...

    Image credits: Suwi #7. I was working at a daily newspaper and going to law school at night. My immediate boss resented this and kept changing my work schedule to try to mess up my schooling.

  9. Pin tumbler lock - Wikipedia

    en.wikipedia.org/wiki/Pin_tumbler_lock

    Each tenant is given a key that only unlocks their own door, called the change key, but the second key is the master key, which unlocks all the doors, and is usually kept by the building manager, so they can enter any room in the building. In a master-keyed lock, some or all of the pin chambers in the lock have three pins in them instead of two.

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