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Recreational scuba diver The undersea kelp forest of Anacapa Island off of the coast of Oxnard, California 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]
In ambient pressure diving, the diver is directly exposed to the pressure of the surrounding water. The ambient pressure diver may dive on breath-hold or use breathing apparatus for scuba diving or surface-supplied diving, and the saturation diving technique reduces the risk of decompression sickness (DCS) after long-duration deep dives.
Intake – Opening or structure through which a fluid is admitted into a space or machine Penstock – Intake structure for turbines or sewerage systems Overhang – Type of rock formation – A topographical feature which is open to one side, but obstructed overhead, and deep enough for a diver to be under the overhang.
Woman performing a "swallow dive", 1937. Diving is the sport of jumping or falling into water from a platform or springboard, usually while performing acrobatics.Diving is an internationally recognised sport that is part of the Olympic Games.
A snorkeler amid corals on a coral reef near Fiji. Snorkeling (British and Commonwealth English spelling: snorkelling) is the practice of swimming face down on or through a body of water while breathing the ambient air through a shaped tube called a snorkel, usually with swimming goggles or a diving mask, and swimfins.
2. Commercial: Structure on which the diving spread is established. Usually a vessel or an offshore or waterside structure. dive profile. Main article: Dive profile. The variation of depth with elapsed time during a dive, often depicted as a graph. dive site. Main article: Dive site. The place at which the dive occurs.
The Jane Schaffer method is a formula for essay writing that is taught in some U.S. middle schools and high schools.Developed by a San Diego teacher named Jane Schaffer, who started offering training and a 45-day curriculum in 1995, it is intended to help students who struggle with structuring essays by providing a framework.
In the nut graph structure, a short paragraph provides the context and significance of the story, usually following the lead. [1] Example 1: A report on declining bee populations would start with this phenomenon, followed by a nut graph explaining its importance, and then delve into causes and effects.