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Controlled Descent (Original Mix) - Chris C & Dave Nation - Controlled Descent (Vinyl)

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  1. May 02,  · The ability to make a controlled descent is important for three reasons: 1. If a diver experiences ear equalization problems and he cannot arrest his descent, he risks an ear barotrauma. 2. A diver must be able to descend without landing on the bottom because even a gentle fin kick can irrevocably injure coral or other aquatic life. Landing on.
  2. Descent Devices. A descent device is a mechanical device which provides a means of controlled lowering on a synthetic rope for rescue and rope access work positioning. Generally, the rope is fed through or around a descender to create friction which can be controlled by .
  3. 4-Film Collection Cabin Fever/ Cabin Fever 2/ Descent/ Descent 2 [DVD] out of 5 stars DVD.

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