Distinct from early diving, which relied exclusively on air pumped from your surface, scuba divers carry their own source of breathing in gas (usually condensed air.<br><a href=http://diving63.onsugar.com/Glow-Sticks---Preferred-Lights-Instruments-Scuba-Divers-19198975>Glow Sticks - Very best Lighting Resources for Scuba Divers</a>
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