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2. Safety pin - Wikipedia

   en.wikipedia.org/wiki/Safety_pin

   A safety pin. A ribbon and badge attached to a school cap with safety pins. A safety pin is a variation of the regular pin which includes a simple spring mechanism and a clasp. . The clasp forms a closed loop to properly fasten the pin to whatever it is applied to and covers the end of the pin to protect the user from the sharp poi

3. Remove before flight - Wikipedia

   en.wikipedia.org/wiki/Remove_before_flight

   A remove before flight ribbon on Concorde landing gear A remove before flight keychain. Remove before flight is a safety warning often seen on removable aircraft and spacecraft components, typically in the form of a red ribbon, to indicate that a device, such as a protective cover or a pin to prevent the movement of mechanical parts, is only used when the aircraft is on the ground (parked or ...

4. Walter Hunt (inventor) - Wikipedia

   en.wikipedia.org/wiki/Walter_Hunt_(inventor)

   Hunt came up with the safety pin ("C") in 1849 through experimentation with high tension wire. [ 3 ] [ 20 ] [ 52 ] His invention was an improvement on the current way clothing items were attached together before because of a protective clasp ("D") at the end and a coiled wire design ("B") with a spring tension on the pointed end leg ("A") to ...

5. Pin-back button - Wikipedia

   en.wikipedia.org/wiki/Pin-back_button

   A pin-back button or pinback button, pin button, button badge, or simply pin-back or badge, is a button or badge that can be temporarily fastened to the surface of a garment using a safety pin, or a pin formed from wire, a clutch or other mechanism. This fastening mechanism is anchored to the back side of a button-shaped metal disk, either flat ...

6. Safety (firearms) - Wikipedia

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

   A safety notch is one of the oldest forms of drop safety, used on older single-action revolvers manufactured before the invention of the hammer block, some lever-action rifles, 1911-pattern guns, and hammer-fired semi-automatics that were designed before the invention of the firing pin block. The safety notch is a relief cut made in the tumbler ...

7. 10 Safety Tips for Hanging Christmas Lights Like a Pro - AOL

   www.aol.com/lifestyle/10-safety-tips-hanging...

   This includes staples, pins, thumbtacks, nails, screws, and more. Using these fasteners can damage the wire sheathing or they may even pierce the wires completely if the DIYer is not paying attention.