Birdwatch Note Rating
2023-09-24 20:13:58 UTC - HELPFUL
Rated by Participant: 482696269363140BA1087FE96161D69D6A2D6B8152396EBCA85B45FE0C1F0D0E
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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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