Scuba Diving. S.C.U.B.A. What does SCUBA stand for? Self Contained Underwater Breathing Apparatus. Snorkeling. What is necessary to snorkel? Mask Snorkel Fins. Mask. The purpose of the mask is to surround the eyes with air so one can see. A skin diver would use a low volume mask.
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What is the advantage of having fins with large stiff blades? Morepowerful
The full foot fin is best for a skin diver while the open heel fin is best for the scuba diver
The snorkel is always worn on the left side in order to avoid confusion with the scuba regulator which comes from the right side.
The wetsuit is made of neoprene rubber filled with tiny bubbles of gas.