Learning and Perfecting Good Breathing Techniques While Scuba Diving
Swimming freely underwater for the very first time can be exhilarating, but also potentially unnerving and even frightening. Learning and perfecting good breathing techniques allows the novice diver to become calm and relaxed in this new environment.
from: http://ezinearticles.com/?Learning-and-Perfecting-Good-Breathing-Techniques-While-Scuba-Diving&id=6274155
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