In general, you want to enter the water with your buoyancy control device (BC): 2: partially inflated.
A BC is an acronym for buoyancy control device (BC) and it can be defined as an essentially inflatable jacket with air pockets, that is worn by a scuba diver.
In general, you want to enter the water with your buoyancy control device (BC) partially inflated, so as to rise in the water and have control over your buoyancy.
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Complete Question:
In general, you want to enter the water with your BC:
1: Deflated.
2: Partially inflated.
3: Fully inflated.
4: Both the first and third
