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Underwater diving
Underwater diving
is the practice of going
underwater
, either with
breathing apparatus
(
scuba diving
and
surface supplied diving
) or by breath-holding (
freediving
).
Atmospheric diving suits
may be used to isolate the diver from the effects of high ambient pressure, or the
saturation diving
technique can be used to reduce the risk of
decompression sickness
after deep dives.
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