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Mathematics, 18.09.2019 19:00 sunshine52577oyeor9

Idive to 56 feet for 47 minutes. after a 30 minute surface interval i do a second dive to 56 feet. losing track of time, i notice my bottom time is now 25 minutes. according to the general rules, what should i do?

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Idive to 56 feet for 47 minutes. after a 30 minute surface interval i do a second dive to 56 feet. l...
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