Scuba Diving Quotes

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Scuba Diving by Dennis K. Graver
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Scuba Diving Quotes Showing 1-1 of 1

“The recommended practice is to stop for five minutes at half of the deepest depth to which you have been diving and to stop again at a depth of 15 to 20 feet (4.5 to 6.1 m) for five minutes before surfacing.”
― Dennis K. Graver, Scuba Diving

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