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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 ...
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“After we came off the turn, I was like, ‘All right, don’t panic,’” Lyles said. “I’ve been here many times before. We’re going to get to the last 80 and he’s going to fall and I ...
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 ...
every 1 hour (can replace 1 with other numbers) q4PM at 4:00 pm (can replace 4 with other numbers) mistaken to mean every 4 hours q.a.d. quaque alternis die: every other day q.a.m. quaque die ante meridiem: every morning (every day before noon) q.d./q.1.d. quaque die: every day mistaken for "QOD" or "qds," spell out "every day" or "daily".