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2. Child-resistant packaging - Wikipedia

   en.wikipedia.org/wiki/Child-resistant_packaging

   The child-resistant locking closure for containers was invented in 1967 by Dr. Henri Breault. [7]A history of accidents involving children opening household packaging and ingesting the contents led the United States Congress to pass the Poison Prevention Packaging Act of 1970, authored by U.S. Senator Frank E. Moss of Utah.

3. Electromagnetic door holder - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_door_holder

   An electromagnetic door holder (electromagnetic door holder and release or hold-open device, sometimes informally called a mag hold open or electric doorstop) is a simple electromechanical mechanism which can be used to hold a fire door or security door open until given a signal to release.

4. It’s Back! Taco Bell’s Double Decker Taco Makes Its Long ...

   www.aol.com/back-taco-bell-double-decker...

   The Rise and Ultimate Demise of the Double Decker Taco. The Double Decker Taco was never supposed to be a permanent menu item. It originally launched as a limited-time offer, but people loved it ...

5. Electromagnetic lock - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_lock

   The principle behind an electromagnetic lock is the use of electromagnetism to lock a door when energized. The holding force should be collinear with the load, and the lock and armature plate should be face-to-face to achieve optimal operation. The magnetic lock relies upon some of the basic concepts of electromagnetism.

6. Double decker taco - Wikipedia

   en.wikipedia.org/wiki/Double_decker_taco

   The Double Decker Taco joined the regular menu items in June 2006. A cheesy version, which featured nacho cheese sauce in addition to the refried beans in between the tortilla and the taco shell, was briefly introduced in 2011. [3] On September 12, 2019, Taco Bell removed the Double Decker Taco from their menu. [4]

7. Magazine (firearms) - Wikipedia

   en.wikipedia.org/wiki/Magazine_(firearms)

   Beta C-Mag double-drum magazine. Before WWII the Germans developed 75-round saddle-drum magazines for use in their MG 13 and MG 15 machine guns. The MG 34 machine guns could also use saddle-drum magazine when fitted with a special feed cover. The 75 rounds of ammunition were evenly distributed in each side of the magazine with a central feed ...