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Physics, 23.08.2021 18:00 jbrown76241

Before you can remove the regulator from your scuba cylinder, you must: A. Turn the air all the way off.
B. Depressurize the system by depressing and holding one of the purge buttons.
C. Make sure the low-pressure inflator hose remains connected to the BC power inflator.
D. Both the first and second answers are correct

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