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2. Time-delay combination locks - Wikipedia

   en.wikipedia.org/wiki/Time-delay_combination_locks

   Time-delay combination locks are frequently incorporated into money safes as an armed robbery deterrent. In many instances, time-delay combination locks are also equipped with a duress code which may be entered to activate the time delay whilst sending a silent alarm to a monitoring centre.

3. Electromagnetic lock - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_lock

   In order to provide the shear magnetic lock with the appropriate holding force, then two pins lock the armature onto the magnet itself, and ensure that the magnet locks into place. An improved "shear" electromagnetic lock was patented on May 2, 1989, by Arthur, Richard and David Geringer of Security Door Controls, an access control hardware ...

4. Magnet keeper - Wikipedia

   en.wikipedia.org/wiki/Magnet_keeper

   A "horseshoe magnet" made of Alnico 5, about 1 inch high.The metal bar (bottom) is a keeper. A magnet keeper, also known historically as an armature, is a bar made from magnetically soft iron or steel, which is placed across the poles of a permanent magnet to help preserve the strength of the magnet by completing the magnetic circuit; it is important for magnets that have low magnetic ...

5. Three-point locking - Wikipedia

   en.wikipedia.org/wiki/Three-point_locking

   Three-point locking, or a multipoint lock, is a locking system installed in cabinet or locker doors to enable more secure locking. Whereas in single-point locking , the door on a cabinet locks only at the point where the key is turned, halfway up the edge of the door, three-point locking enables the top and bottom of the door to be ...

6. Parcel locker - Wikipedia

   en.wikipedia.org/wiki/Parcel_locker

   Amazon Locker is a self-service package delivery service of parcel lockers offered by online retailer Amazon. [2] Amazon customers can select any Locker location as their delivery address and retrieve their orders at that location by entering a unique pick-up code on the Locker touch screen .

7. William Henry Spencer High School - Wikipedia

   en.wikipedia.org/wiki/William_Henry_Spencer_High...

   The newest Spencer High School opened in August 2018, is located at 1000 Fort Benning Road, and is designed to accommodate around 1,100 students. This includes a rapidly expanding computer science and electronic game design magnet program, growing from an estimated 120 to more than 200 students.