Birdwatch Note Rating
2023-09-24 21:12:43 UTC - HELPFUL
Rated by Participant: CBF114FD1963B62D92F4CEA6A4D1A7F2310A79F860DAACE907CF7397AFD322B9
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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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