How Airplane Oxygen Masks Work Given They Arent Hooked to Tanks & How Planes Get Oxygen at Altitude

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In this video:\r
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In this video we look at how commercial airplanes keep a steady supply of air on board given there is no onboard central oxygen tank. We also delve into why the emergency oxygen mask bags dont necessarily inflate and how they supply oxygen at all given they are not hooked up to any tank.\r
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Image Credit:\r
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