https://www.therapyroute.com/article/put-your-oxygen-mask-on-first-not-only-in-emergencies-by-c-leid
Put your oxygen mask on first; Not only in emergencies | TherapyRoute
Jan 29, 2021 - Flight attendants say, "if there should be a change in cabin pressure...put your oxygen mask on before helping others." It makes sense!
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