Lesson 6


1. Several techniques exist for entering into the water these have always been developed with the safety of the ___________ as a primary consideration.
2. During a dive careful attention needs to be paid to controlling the buoyancy, which should be_______________
3. The BCD must be slowly deflated during ascent, because the air inside it expands and creates an ________________________and subsequent loss of control of speed. (max. 9 meter/minutes)
4. On resurfacing it may be necessary to ______________________ to obtain positive buoyancy or to be able to come out of the water more easily

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