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A dive computer, personal decompression computer or decompression meter is a device used by an underwater diver to measure the elapsed time and depth during a dive and use this data to calculate and display an ascent profile which, according to the programmed decompression algorithm, will give a low risk of decompression sickness.
Diver looking at a shipwreck in the Caribbean Sea. Scuba diving is a mode of underwater diving whereby divers use breathing equipment that is completely independent of a surface breathing gas supply, and therefore has a limited but variable endurance. [ 1] The name scuba is an anacronym for "Self-Contained Underwater Breathing Apparatus" and ...
Kit-up/dressing in the diver – Dressing into the diving suit, breathing apparatus, harness and accessories. Pre-dive checks – Check that all necessary equipment is correctly fitted and functioning. Entering the water – Use of an appropriate water entry technique. Surface checks – Final function checks and reports before descent.
Technical diving (also referred to as tec diving or tech diving) is scuba diving that exceeds the agency -specified limits of recreational diving for non- professional purposes. Technical diving may expose the diver to hazards beyond those normally associated with recreational diving, and to a greater risk of serious injury or death. Risk may ...
His world-leading time of 19.53 seconds broke a 28-year-old U.S. Olympic Trials record and was just over two tenths of a second shy of the American record he set at world championships in 2022 ...
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Beagles were a close second, in the worst behaved category. With Havanese, French Bulldogs, and Cavalier King Charles Spaniels following close behind. The top best behaved breeds were Labs ...
This article is a list of standard proofreader's marks used to indicate and correct problems in a text. Marks come in two varieties, abbreviations and abstract symbols. These are usually handwritten on the paper containing the text. Symbols are interleaved in the text, while abbreviations may be placed in a margin with an arrow pointing to the ...