| 21. | Strobes are used by scuba divers as an emergency signaling device.
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| 22. | Both are scuba divers, so fish and lobster will round out the menu.
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| 23. | He has two children, both of whom are certified scuba divers.
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| 24. | My best friend and I are scuba divers intrigued by dangerous marine life.
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| 25. | They also have used scuba divers to secretly plant explosives on navy ships.
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| 26. | Queen Latifah plays a Navy scuba diver, and again she dies.
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| 27. | He also is a scuba diver and an experienced whitewater rafter.
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| 28. | Harris is also a licensed private pilot and certified scuba diver.
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| 29. | It can be visited by scuba divers under calm weather conditions.
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| 30. | Sonar can be used to detect frogmen and other scuba divers.
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