Self Support
Looking for information about diving, lesson plans, sample exams & knowledge base to help you through your course.
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Encyclopedia of Recreationional Diving
Scuba diving is the act of swimming underwater while using self-contained breathing apparatus. By carrying a source of compressed air, the scuba diver is able to stay underwater longer than with the simple breath-holding techniques used in Snorkeling and Free-diving, and is not hindered by air-lines to a remote air source.