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Narcosis results from breathing gases under elevated pressure, and may be classified by the principal gas involved. The noble gases, except helium and probably neon, [2] as well as nitrogen, oxygen and hydrogen cause a decrement in mental function, but their effect on psychomotor function (processes affecting the coordination of sensory or cognitive processes and motor activity) varies widely.
On January 7, 2016 IANTD becomes the first agency in the scuba industry to acknowledge digitally validated logs as an official proof of diving experience, [4] furthermore it declares Diviac its official digital logbook. In March 2018, IANTD joined the United States RSTC and renewed its ISO certification. [5] [6]
Introductory diving is an opportunity for interested people to find out by practical experience at a relatively low cost if they would be interested in greater involvement in scuba diving. [2] For scuba instructors and diving schools is it an opportunity to acquire new customers. An introductory diving experience is much less time-consuming and ...
Peterson was the only NIC-10 qualifier to make it to the final day of state. Auburn junior James Murray finished 46th in the 200 free in 1:49.60 and 41st in the 500 free (5:01.30).
Snow was assisted by another employee at Gull Dive, Seth Linton (22), whose only diving certification was Junior Open Water Diver, [3] a certification issued to entry level divers between 10 and 14 years old, otherwise equivalent to PADI Open Water Diver. His further experience was not specified, but stated to be hardly greater than that of Mills.
Scuba diver in Maldives. Scuba diving tourism is the industry based on servicing the requirements of recreational divers at destinations other than where they live. It includes aspects of training, equipment sales, rental and service, guided experiences and environmental tourism.
Scuba organizations that train for diving beyond recreational depths, may forbid diving with gases that cause too much narcosis at depth in the average diver, and strongly encourage the use of other breathing gas mixes containing helium in place of some or all of the nitrogen in air – such as trimix and heliox – because helium has no ...
The National Association of Underwater Instructors (NAUI Worldwide) is a nonprofit association of scuba instructors founded in 1960 by Albert Tillman and Neal Hess. [2] [3]NAUI primarily serves as a recreational dive certification and membership organization, providing international diver standards and education programs.