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  2. Engine knocking - Wikipedia

    en.wikipedia.org/wiki/Engine_knocking

    This sudden increase in pressure and temperature causes the distinctive diesel 'knock' or 'clatter', some of which must be allowed for in the engine design. [ citation needed ] Careful design of the injector pump, fuel injector, combustion chamber, piston crown and cylinder head can reduce knocking greatly, and modern engines using electronic ...

  3. Unintentional discharge - Wikipedia

    en.wikipedia.org/wiki/Unintentional_discharge

    An unintentional discharge is the event of a firearm discharging (firing) at a time not intended by the user. An unintended discharge may be produced by an incompatibility between firearm design and usage, such as the phenomenon of cooking off a round in a closed bolt machine gun, a mechanical malfunction as in the case of slamfire in an automatic weapon, or be user induced due to training ...

  4. Firearm malfunction - Wikipedia

    en.wikipedia.org/wiki/Firearm_malfunction

    A dud (also a misfire or failure to fire) occurs when the trigger is pulled but the primer or powder in the cartridge malfunctions, causing the firearm not to discharge. Dud rounds can still be dangerous and should be deactivated and disposed of properly. [citation needed]

  5. Slamfire - Wikipedia

    en.wikipedia.org/wiki/Slamfire

    The free-floating firing pin of AR-15 style rifles typically causes an indentation as the firing pin lightly strikes the primer when the bolt closes as it chambers a loaded cartridge. Although a single light indentation may not detonate the primer, [ 2 ] the indentation may make the primer more sensitive to subsequent impact.

  6. UK's Trident nuclear-deterrent missile system misfires during ...

    www.aol.com/news/britains-nuclear-deterrent...

    LONDON (Reuters) -Britain's Trident nuclear-deterrent system misfired during a test last month, sending a missile crashing into the ocean off the Florida coast near the submarine that launched it ...

  7. Gun safety - Wikipedia

    en.wikipedia.org/wiki/Gun_safety

    A yellow flag demonstrates the rifle's bolt is open and the breech is clear. Firearm handling safety poster. Gun safety is the study and practice of managing risk when using, transporting, storing and disposing of firearms, airguns and ammunition in order to avoid injury, illness or death.

  8. Human Rights Watch says rocket misfire likely cause of ... - AOL

    www.aol.com/news/human-rights-watch-says-rocket...

    Human Rights Watch (HRW) said on Sunday that evidence suggested a misfired rocket was the likely cause of an explosion that resulted in heavy casualties at a hospital in Gaza on Oct. 17.

  9. FAA bans US flights to Haiti for 30 days after planes struck ...

    www.aol.com/faa-considers-banning-us-flights...

    The Federal Aviation Administration has banned U.S. flights to Haiti for 30 days in the wake of Monday's gunfire incidents, according to a Notice to Air Mission issued Tuesday. "U.S. civil ...