Tuesday, January 31, 2017

Status: Update 1-31-2017 and for February



Status: Update 1-31-2017 and for February...

#scuba #jcaelitescuba #seaotter #diving #lessons #portland #oregon

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The Controlled Emergency Swimming Ascent (CESA) and why the way you learned it might not work

In the article, How to Preform the Controlled Emergency Swimming Ascent (CESA) , the author describes how a diver that runs out of air would...