More results for diving

Professional Association of Diving Instructors PADI.
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Diving Wikipedia.
Look up diving or dive in Wiktionary, the free dictionary. Diving most often refers to.: Diving sport, the sport of jumping into deep water. Underwater diving, human activity underwater for recreational or occupational purposes. Diving or Dive may also refer to.:
Underwater diving Wikipedia.
People may dive for various reasons, both personal and professional. Recreational diving is purely for enjoyment and has several specialisations and technical disciplines to provide more scope for varied activities for which specialist training can be offered, such as cave diving, wreck diving, ice diving and deep diving.
Scuba diving Wikipedia.
By the mid twentieth century, high pressure gas cylinders were available and two systems for scuba had emerged: open-circuit scuba where the diver's' exhaled breath is vented directly into the water, and closed-circuit scuba where the carbon dioxide is removed from the diver's' exhaled breath which has oxygen added and is recirculated.

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