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2. Electromagnetic door holder - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_door_holder

   An electric current typically energizes the electromagnet to attract and hold the steel plate, keeping the door open. Unlike electromagnetic locks, the magnetic attraction of an electromagnetic door holder is usually weak enough that it can be manually overpowered at any time by anyone, allowing the door to close. [citation needed]

3. Hook - Wikipedia

   en.wikipedia.org/wiki/Hook

   Cabin hook, a hooked bar that engages into an eye screw, used on doors [3] [4] Cap hook, hat ornament of the 15th and 16th centuries; Cargo hook, different types of hook systems for helicopters; Clothes hook or "coat hook", hooks for storing garments, typically mounted on walls or vertical surfaces; Crochet hook, used for crocheting thread or yarn

4. 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.

5. Hook-and-eye closure - Wikipedia

   en.wikipedia.org/wiki/Hook-and-eye_closure

   This was a raised elevation or "hump" in the wire hook that prevented the eye from slipping out of the hook, "except at the will of the wearer". [ 5 ] In 1893, Marie Tucek patented the "Breast Supporter" – the first garment similar to the modern-day bra, which used separate pockets for the breasts and straps that went over the shoulder and ...

6. Clothes hanger - Wikipedia

   en.wikipedia.org/wiki/Clothes_hanger

   A clothes hanger, coat hanger, or coathanger, or simply a hanger, is a hanging device in the shape/contour of: Human shoulders designed to facilitate the hanging of a coat , jacket , sweater , shirt , blouse or dress in a manner that prevents wrinkles , with a lower bar for the hanging of trousers or skirts .

7. AOL.com - News, Sports, Weather, Entertainment, Local & Lifestyle

   www.aol.com

   AOL latest headlines, entertainment, sports, articles for business, health and world news.