40 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
Hogarthian principles
Sports; Scuba diving
The Hogarthian configuration is named after Bill 'Hogarth' Main. It is based on reducing equipment to a minimum streamlined configuration that nevertheless includes sufficient redundancy for ...
Air consumption
Sports; Scuba diving
The depletion of breathing gas by a diver during the course of a dive.
Alternate air source
Sports; Scuba diving
A device a diver can use in place of the primary regulator, in order to make an ascent while still breathing normally.
Bladder
Sports; Scuba diving
A pouch within a Buoyancy Compensator which holds the amount of air the diver desires to provide proper buoyancy.
Nitrogen narcosis
Sports; Scuba diving
Depressed mental state from high nitrogen pressure; usually does not begin to manifest on compressed air until below 80 fsw.
Exposure protection
Sports; Scuba diving
Garment worn to prevent decreases in core body temperature and abrasions. Protection can range from thin body suits to heavy dry suits.
Ascent/decent line
Sports; Scuba diving
Line suspended from a boat or a buoy for a diver to use to control their rate of ascent or descent.
