Underwater diving

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Underwater diving

Definition

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This article is an introduction to underwater diving by humans. For other uses of the term diving, see dive (disambiguation) and diving Underwater diving is the practice of going underwater, either with breathing apparatus or by breath-holding. Recreational diving is a popular activity (also called sports diving or subaquatics). Professional diving (commercial diving, diving for scientific research purposes or diving for financial gain) takes a range of diving activities to the underwater work site. Training, types of equipment used and breathing gases used depend on the type of diving. Underwater diving includes Free-diving, Scuba diving, Surface-supplied diving, Saturation diving, and diving in Atmospheric diving suits. Apnea monofin. jpg Freediver with monofin, ascending. Buzo. jpg Recreational scuba diver Scuba platform. jpg Surface supplied diver riding a stage to the underwater workplace. US Navy 010707-N-3093M-003 Diver Transfer Capsule. jpg Closed bell used to transfer saturation divers from the workplace to the hyperbaric life support system. Navy Diver4. jpg US Navy Atmospheric Diving System (ADS) Odd Henrik Johnsen Scuba Diving. jpg Norwegian diving pioneer Odd Henrik Johnsen with underwater photography equipment (1960's)