... in inflatable vest with buoyancy compensator to achieve that weightless state under water; how to breathe through masks; how to use the emergency tools. ...
The water between the floats quickly clouded so that their brightly colored tanks and buoyancy compensators could not be seen from the surface. ...
With a nearly empty tank and the light wet suit you'll be wearing, perform a weight check: A diver with an empty BC (buoyancy compensator) and holding a ...
