Ali Renee and Robin Team in Mexico for Scuba Diving
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Uploaded by thetribal on Jan 8, 2010
Scuba diving ("scuba" originally being an acronym for Self Contained Underwater Breathing Apparatus, although now widely considered a word in its own right)[1] is a form of underwater diving in which a diver uses a scuba set to breathe underwater for recreation, commercial or industrial reasons.[2]
Unlike early diving, which relied exclusively on air pumped from the surface, scuba divers carry their own source of breathing gas (usually compressed air),[3] allowing them greater freedom than with an air line. Both surface supplied and scuba diving allow divers to stay underwater significantly longer than with breath-holding techniques as used in snorkelling and free-diving.
According to the purpose of the dive, a diver usually moves underwater by swimfins attached to his feet, but external propulsion can come from an underwater vehicle, or a sled pulled from the surface.
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Next time we need to order video recording for you too. Cheers.
thetribal 2 years ago