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Diving disorders are medical conditions specifically arising from underwater diving. The signs and symptoms of these may present during a dive, on surfacing, or up to several hours after a dive. The principal conditions are decompression illness (which covers decompression sickness and arterial gas embolism ), nitrogen narcosis , high pressure ...
Avoid out of air emergencies underwater. Use of a redundant emergency breathing gas supply [5] Provide appropriate buoyancy. Avoid or prevent accidents resulting in unconsciousness. Use of a full face mask or diving helmet to protect the airway. [6] Use of surface-supplied diving equipment with voice communications.
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Underwater diving. Underwater diving, as a human activity, is the practice of descending below the water's surface to interact with the environment. It is also often referred to as diving, an ambiguous term with several possible meanings, depending on context. Immersion in water and exposure to high ambient pressure have physiological effects ...
The NOAA Diving Manual: Diving for Science and Technology is a book originally published by the US Department of Commerce for use as training and operational guidance for National Oceanographic and Atmospheric Administration divers. NOAA also publish a Diving Standards and Safety Manual (NDSSM), which describes the minimum safety standards for ...
Technical diver at a decompression stop. Decompression which follows the procedure of relatively fast ascent interrupted by periods at constant depth is known as staged decompression. The ascent rate and the depth and duration of the stops are integral parts of the decompression process.
Scuba diving equipment, also known as scuba gear, is the equipment used by a scuba diver for the purpose of diving, and includes the breathing apparatus, diving suit, buoyancy control and weighting systems, fins for mobility, mask for improving underwater vision, and a variety of safety equipment and other accessories.
Naval exercise Kursk was a Project 949A Antey (Oscar II class) submarine, twice the length of a 747 jumbo jet, and one of the largest submarines in the Russian Navy.. On the morning of 12 August 2000, Kursk was in the Barents Sea, participating in the "Summer-X" exercise, the first large-scale naval exercise planned by the Russian Navy in more than a decade, and also its first since the ...