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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
Enriched air nitrox (EAN)
Sports; Scuba diving
A N2/O2 (nitrogen/oxygen) breathing gas containing more oxygen (typically 32 or 36 percent) and less nitrogen than plain air. Used by recreational divers to increase either bottom time or safety ...
Regulator
Sports; Scuba diving
In scuba, any device that changes air pressure from one level to a lower level.
Hypoventilation
Sports; Scuba diving
Under breathing to the extent that the blood carbon dioxide level is elevated, may be manifested by carbon dioxide narcosis.
Giant stride entry
Sports; Scuba diving
The most common method of entering water from a boat transom, pier, etc. , where the standing diver takes a large step into the water while securely holding mask, tucking chin and bringing fins ...
Ascent bottle
Sports; Scuba diving
An extra cylinder of air used on deep dives to allow decompression stops without fear of running out of air.
Pneumothorax
Sports; Scuba diving
Am abnormal collection of air outside the lining of the lung, between the lung and the chest wall, often a consequence of pressure injuries (barotraumas).
Hang tank
Sports; Scuba diving
An extra tank, ideally of deco mix, staged at the decompression stop. Normally found at the rear of a dive boat in case of emergencies.
