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SCUBA DIVING EQUIPMENT |
SCUBADIVING | DIVING LAWS | DIVECOM
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SCUBADIVING
Scubadiving is using
self-contained breathing equipment to stay underwater for periods of
time greater than human breath-holding ability allows.
The scubadiver
carries all equipment necessary for diving and is not 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. 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.
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The word 'SCUBA' is an acronym for
"Self Contained Underwater Breathing Apparatus", but it has become
acceptable to refer to 'scuba equipment' or 'scuba apparatus'. The term
SCUBA in common usage usually means open-circuit equipment in
which gas (usually air) is breathed from a tank of compressed gas and
then exhaled into the water, usually in the line of kit development
started by Emile Gagnan and Jacques-Yves Cousteau.
However, rebreathers (both semi-closed
circuit and closed circuit) are also self-contained systems (as opposed
to surface-supplied systems) and could be classed as SCUBA. The term
SCUBA arose during World War II and originally referred to USA combat
frogmen's oxygen rebreathers, developed by Dr. Christian Lambertsen for
underwater warfare.
You can scuba dive in most places where the water is sufficiently
deep. So you can choose from the ocean, lakes, mines, rivers, caves and
anywhere else appropriate.
Tip! Once you've tried scuba diving,
you probably won't need anyone else to answer this question for you.
Some people simply enjoy the sport and continue diving. |
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Scuba
Diving
NEWS |
Updated :
This was from taken from the wooden platform in Planet Dive. This was an unplanned trip - Dad’s family had an invitation to go to Anilao and Nanay asked us and we said GO! Zach did not have much fun though coz he was afraid to into the ...
THE Coventry British Sub Aqua Club [BSAC] Number 58 is 50 this year.
I am president of a university club and was sent this letter by our DO at the same time as he sent it to Dive magazine and i think that all dive clubs should be aware!!!!!!! :angry: Simon Rogerson Dive magazine ...
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SCUBA DIVING EQUIPMENT |
SCUBADIVING | DIVING LAWS | DIVECOM
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