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Scuba diving – a short introduction [click here to return to visit the Omni Diver Homepage]

Scuba Diving is an underwater sport whereby one uses self-contained breathing equipment to navigate or work underwater for periods of time greater than a person could hold their own breath.  The term “Scuba” is actually the acronym “S.C.U.B.A.” which stands for “Self Contained Breathing Apparatus.”  In common usage “Scuba” generally is used to refer to open-circuit diving equipment in which gas (usually air) is breathed from a tank of compressed gas and then exhaled into the water.  Less commonly, some divers will use equipment known as “rebreathers”.  Generally, when scuba diving the diver carries all of the equipment necessary and is not be reliant upon equipment elsewhere (e.g. on the surface) to supply breathing gas or other support during the dive. The diver swims underwater using fins attached to the feet and wears a dive suit.  Some divers also move around with the assistance of a DPV (Diver Propulsion Vehicle), commonly referred to as a "scooter", or by using surface-tethered devices called sleds, which are pulled by a boat.  Scuba diving is generally sub-categorized as either Recreational Scuba Diving or Professional Scuba Diving. 

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Reference material for this scuba diving related informational article: wikipedia – the free online encyclopedia, scuba diving category

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