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Opening a captured draw bolt-style latch. A latch or catch (called sneck in Northern England and Scotland) is a type of mechanical fastener that joins two or more objects or surfaces while allowing for their regular separation.
Wall-mounted electromagnetic door holder securing a door in the open position. 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.
A door draught excluder is placed at the bottom of a door to cover the gap located at the threshold. [1] [2] In the Victorian era these draught excluders would be sausage-shaped and made from fabric stuffed with sawdust. [3] Tubular sand-filled fabric draught excluders are commonly referred to as "door snakes" in Australia.
Russian warplanes were spotted flying off the coast of Alaska, the North American Aerospace Defense Command said Tuesday, marking the latest incident involving Russian military activity being ...
Anderson made his Deadliest Catch debut in the episode New Beginnings, which aired on May 15. [3] In 2012, Anderson was promoted to deck boss of the Northwestern, [4] and later that year, he obtained his USCG Mate 1600-ton license and Master 100-ton Captain's license. [5] Starting in 2015, Anderson captained the crab fishing vessel Saga.
A door closer is a mechanical device that regulates the speed and action of a door’s swing. [1] Manual closers store the force used to open the door in some type of spring and reuse it to close the door. Automatic types use electricity to regulate door swing behavior. Door closers can be linked to a building's fire and security alarm systems. [2]