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The NAUI scuba diving ditch and recovery for divers to remove gear and replace in open water. Descend to the bottom in at least 2.4m of water. Remove and place the bottom mask, snorkel and scuba unit. Shut off air, swim 7m horizontally while exhaling. Ascend exhaling, rest, dive, swim 7m horizontally, recover and don the equipment, ascend breathing normally, recover and don the equipment, ascend breathing normally. The total exercise is to be completed with al equipment in place within 5 minutes.
