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  2. Interlock (engineering) - Wikipedia

    en.wikipedia.org/wiki/Interlock_(engineering)

    The first form of interlocking security is more mechanical. For example, if an individual is entering a building, there may be two sets of doors to enter from. As the individual enters the first door, that door will close before they enter through the second door. This type of interlocking security can prevent piggybacking or tailgating. The ...

  3. Mantrap (access control) - Wikipedia

    en.wikipedia.org/wiki/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.

  4. Trapped-key interlocking - Wikipedia

    en.wikipedia.org/wiki/Trapped-key_interlocking

    This is a trapped-key interlock on the door of an electrical switchgear cabinet. It is attached with one-way security screws to discourage casual removal, which would defeat the interlock scheme. Trapped-key interlocking utilizes locks and keys for sequential control of equipment and machinery to ensure safe operation. Trapped-key interlocks ...

  5. Interlocking - Wikipedia

    en.wikipedia.org/wiki/Interlocking

    In railway signalling, an interlocking is an arrangement of signal apparatus that prevents conflicting movements through an arrangement of tracks such as junctions or crossings. In North America, a set of signalling appliances and tracks interlocked together are sometimes collectively referred to as an interlocking plant or just as an ...

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  7. FBI issues official warning about burglars targeting pro ...

    www.aol.com/fbi-issues-official-warning-burglars...

    A string of burglaries targeting professional athletes' homes has prompted the FBI to get involved. The FBI issued a formal warning to professional leagues on Monday, informing them about a string ...

  8. Another 1 million not deported because Biden granted ...

    www.aol.com/news/another-1-million-not-deported...

    The Secretary of Homeland Security grants TPS, arguing the law gives discretion to do so. TPS can last for six to 18 months, but is often extended. For example, an unknown publicly reported number ...

  9. Heather Locklear Calls Out the Differences Between “Spin City ...

    www.aol.com/heather-locklear-calls-differences...

    Heather Locklear is opening up about her favorite memories from filming the sitcom Spin City — and sharing what was different about working with Michael J. Fox versus his replacement in the ...