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  2. Flapper locking - Wikipedia

    en.wikipedia.org/wiki/Flapper_locking

    Flapper locking is a type of locking mechanism used in self-loading firearms. It involves a pair of flappers on the sides of the bolt that each lock into an outwards ...

  3. Nozzle and flapper - Wikipedia

    en.wikipedia.org/wiki/Nozzle_and_flapper

    The nozzle and flapper mechanism is a displacement type detector which converts mechanical movement into a pressure signal by covering the opening of a nozzle with a flat plate called the flapper. [1] This restricts fluid flow through the nozzle and generates a pressure signal.

  4. Air lock - Wikipedia

    en.wikipedia.org/wiki/Air_lock

    Air lock problems often occur when one is trying to recommission a system after it has been deliberately (for servicing) or accidentally emptied. Take, for example, a central heating system using a circulating pump to pump water through radiators. When filling such a system, air is trapped in the radiators. This air has to be vented using screw ...

  5. Airlock - Wikipedia

    en.wikipedia.org/wiki/Airlock

    The procedure of entering an airlock from the external or ambient pressure environment, sealing it, equalizing the pressure, and passing through the inner door is known as locking in. Conversely, locking out involves equalizing pressure, unsealing the outer door, then exiting the lock compartment to enter the ambient environment.

  6. ABC News, George Stephanopoulos agree to apologize to Trump ...

    www.aol.com/trump-sit-deposition-defamation-suit...

    ABC News and star anchor George Stephanopoulos have agreed to pay President-elect Trump $16 million to settle a defamation lawsuit. The settlement was publicly filed Saturday, just days before the ...

  7. Lions have been hit hardest by rash of injuries, though NFL ...

    www.aol.com/lions-hit-hardest-rash-injuries...

    “Concussions are down, lower-extremity injuries — which you know we’ve all been focused on with how we’ve changed the preseason and getting players acclimated — continue to decrease.”

  8. List of aircraft structural failures - Wikipedia

    en.wikipedia.org/wiki/List_of_aircraft...

    Mis-management of fuel system, causing CofG to be beyond its safe rearward limit 2 Both wings failed 1964-01-10 B-52 flight test of vertical stabilizer New Mexico, United States B-52 Stratofortress: Unknowingly exceeded design capability 0 Loss of vertical stabilizer, landed safely 1964-01-13 1964 Savage Mountain B-52 crash: Maryland, United States

  9. JetBlue passenger accused of opening door as flight starts at ...

    www.aol.com/passenger-jetblue-flight-opens-door...

    BOSTON - A passenger on a JetBlue flight opened an emergency exit door and deployed the slide while the plane was taxiing at Logan Airport in Boston Tuesday night, the FAA said.