4 Terms
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Scuba diving
Underwater diving in which the diver uses scuba gears to breathe underwater.
Industry: Sports
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Scuba diving
Forward roll entry
Sports; Scuba diving
A method of entering the water while in full SCUBA gear from a boat transom or a pier by bending at the knees and, while firmly securing the mask, rolling forward into the water landing on one's ...
Pony bottle
Sports; Scuba diving
A small scuba cylinder strapped to a divers main tank for emergency use.
Supplied air snorkelling for adults (sasa)
Sports; Scuba diving
BC-like PFD mounted with small compressed air cylinder and regulator that allows snorkeler to breathe comfortably on the surface but prohibits him from descending. SPG submersible pressure gauge. ...
Gas absorption and elimination
Sports; Scuba diving
Dissolved gases such as nitrogen are absorbed into the blood and tissues during the course of the dive. The level of saturation depends on the depth of the dive. The elimination of these gases is ...
Bubble
Sports; Scuba diving
A collection of air or gas surrounded by a permeable membrane through which gases can enter or exit.
Recreational scuba diving
Sports; Scuba diving
Diving to prescribed limits, including a depth no greater than 130 fsw, using only compressed air, and never requiring a decompression stop.
Maximum operating depth (ODL)
Sports; Scuba diving
The deepest that a diver can safely go using a particular gas mixture. For example, the MOD for EAN32 (32 per- cent oxygen) is 132 fsw (40 m).
