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  2. Airlines ditch face mask rules for the first time in two ...

    www.aol.com/airlines-ditching-face-mask-rules...

    United Airlines: Effective immediately, masks are no longer required at United on domestic flights, select international flights (dependent upon the arrival country’s mask requirements) or at U ...

  3. Bag valve mask - Wikipedia

    en.wikipedia.org/wiki/Bag_valve_mask

    The BVM consists of a flexible air chamber (the "bag", roughly 30 cm in length), attached to a face mask via a shutter valve. When the face mask is properly applied and the "bag" is squeezed, the device forces air through into the patient's lungs; when the bag is released, it self-inflates from its other end, drawing in either ambient air or a ...

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  5. Here are the airlines dropping mask mandates - AOL

    www.aol.com/airlines-dropping-mask-mandates...

    Major U.S. airlines, including Delta and United, have tossed out mask requirements after a federal judge struck down the Biden administration's transportation mask mandate.

  6. Emergency oxygen system - Wikipedia

    en.wikipedia.org/wiki/Emergency_oxygen_system

    Most commercial aircraft that operate at high flight altitudes are pressurized at a maximum cabin altitude of approximately 8,000 feet. On most pressurized aircraft, if cabin pressurization is lost when the aircraft is flying at an altitude above 4,267 m (14,000 feet), compartments containing the oxygen masks will open automatically, either above or in front of the passenger and crew seats ...

  7. Supplied-air respirator - Wikipedia

    en.wikipedia.org/wiki/Supplied-air_respirator

    "An airline respirator, for entry into and escape from atmospheres not immediately dangerous to life or health, which consists of a source of respirable breathing air, a hose, a detachable coupling, a control valve, orifice, a demand valve or pressure demand valve, and arrangement for attaching the hose to the wearer and a facepiece, hood, or ...

  8. Should I mask for my flight? What to know about COVID and ...

    www.aol.com/mask-flight-know-covid-traveling...

    Passengers exposed to someone with COVID-19 within 10 days or feeling under the weather, should mask, cancel or rebook their flight. Wearing a mask while traveling is also just a good gesture to ...

  9. Resuscitator - Wikipedia

    en.wikipedia.org/wiki/Resuscitator

    A resuscitator is a device using positive pressure to inflate the lungs of an unconscious person who is not breathing, in order to keep them oxygenated and alive. [citation needed] There are three basic types: a manual version (also known as a bag valve mask) consisting of a mask and a large hand-squeezed plastic bulb using ambient air, or with supplemental oxygen from a high-pressure tank.