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by shabble
4744 days ago
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The biggest issue I had during initial training was the mask leak/loss/purge drill. From what I recall, it's a side-effect of the Diving Reflex[1] that cold water on the face (and nose especially) makes it quite difficult to keep breathing, even when you have a perfectly functional regulator in the mouth. It gets better with practice, but it's terrifying the first time, when you want to breathe, and your body is trying to stop you. [1] https://en.wikipedia.org/wiki/Mammalian_diving_reflex |
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