Birdwatch Note Rating
2023-09-24 22:34:48 UTC - HELPFUL
Rated by Participant: 2D36A0CEB5588325C98E23A38A901ECDE12B8DB850C374A13832E720AC465A1B
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Original Note:
as the photo clearly show, the sub is carrying cylinders clearly marked "compressed AIR", only 22%oxygen, no rebreathing system. Expired nitrogen, CO2 and unused oxygen bubbles away. Spacesuits carried pure Oxygen in a rebreathing closed circuit for 7 hours, not 22. https://en.wikipedia.org/wiki/Apollo/Skylab_spacesuit#Apollo_15-17,_Skylab_and_ASTP_Spacesuits
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