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2. 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 ...

3. Generator interlock kit - Wikipedia

   en.wikipedia.org/wiki/Generator_Interlock_Kit

   The kit achieves the same function by adding an external interlock onto an existing breaker panel that allows the main breaker to be turned on or one designated load breaker to be turned on, but not both at the same time. The interlocked load breaker is repurposed as the "backfeed" breaker, and a generator is connected to it (wired directly or ...

4. Interlock (engineering) - Wikipedia

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

   Power cannot be re-applied to the kiln until the kiln door is locked, releasing the key, and the key is then returned to the disconnecting switch interlock. [1] A similar two-part interlock system can be used anywhere it is necessary to ensure the energy supply to a machine is interrupted before the machine is entered for adjustment or maintenance.

5. Crash bar - Wikipedia

   en.wikipedia.org/wiki/Crash_bar

   A crash bar (also known as a panic exit device, panic bar, or bump bar) [1] [2] is a type of door opening mechanism which allows users to open a door by pushing a bar. While originally conceived as a way to prevent crowd crushing in an emergency, crash bars are now used as the primary door opening mechanism in many commercial buildings.

6. Door breaching - Wikipedia

   en.wikipedia.org/wiki/Door_breaching

   Utilizing a breaching tool is unnecessary if the door is unlocked and easy to open. [5] [3] [6] [1] If the door is locked, breachers can attempt to force inward-opening doors with a strong kick. The breacher will aim to hit the door near the locking mechanism, but not kick the doorknob itself as one can easily twist an ankle doing so. [7]

7. These are the best Apple Black Friday deals to shop already ...

   www.aol.com/lifestyle/these-are-the-best-apple...

   We may earn commission from links on this page, but we only recommend products we believe in. Pricing and availability are subject to change.

8. Mystery NJ drones are coming from Iranian mothership ... - AOL

   www.aol.com/mystery-nj-drones-coming-iranian...

   A New Jersey congressman claimed Wednesday that the mystery drones over the Garden State are from Iran, and they’re being launched by a mothership parked off the East Coast.. Rep. Jeff Van Drew ...

9. Here's the Christmas town where Santa’s elves answer ... - AOL

   www.aol.com/news/heres-christmas-town-where...

   Every Christmas season, letters to Santa flood in from kids around the world — but in Santa Claus, Indiana, volunteers become Santa’s elves to ensure every child gets a reply.. This small town ...