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| | Diving (underwater) - MSN Encarta |
 | | The most common form of diving is sport diving, or recreational diving, which is practiced at depths of less than 130 ft (39 m). |
 | | All groups, whether diving from a boat or from shore, are required to fly a diver down flag (a red flag with a white diagonal slash) to alert boaters that people are underwater. |
 | | Diving equipment depends on the location of the dive, but whether scuba diving or snorkeling, recreational divers need several basic items: a mask, a snorkel, fins, and, when necessary, an exposure suit to remain warm. |
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