Birdwatch Note Rating
2023-09-25 15:37:01 UTC - HELPFUL
Rated by Participant: A7B5DD81A4A7972FD2493739CC2B4262FE85615F5B9A9174A623AA9395F18894
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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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