TIL that those oxygen masks that come down inside airplanes are connected to individual “chemical oxygen generators” rather than a supply of oxygen gas - eviltoast
  • tipicaldik@lemmy.world
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    22 days ago

    I went through the US Navy’s damage control and fire-fighting training back in '81 and we trained with their oxygen breathing apparatus (OBA). I remember we’d have to pull a pin like in a grenade to light them off, and when we were done we’d have to release the canister into a barrel of water because they were like super-hazardous…