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Diving regulator — and Octopus Other names Demand valve Uses Reduces pressurized breathing gas to ambient pressure and delivers it to the diver Inventor Manuel Théodore Guillaumet (1838), Benoît Rouquayrol (1860) … Wikipedia
Scuba diving — Not to be confused with Self contained breathing apparatus, which describes breathing sets used out of water. Scuba diver Scuba diving ( SCUBA originally being an acronym for self contained underwater breathing apparatus, now widely considered a… … Wikipedia
Oxygen mask — A plastic oxygen mask on an ER patient. An oxygen mask provides a method to transfer breathing oxygen gas from a storage tank to the lungs. Oxygen masks may cover the nose and mouth (oral nasal mask) or the entire face (full face mask). They may… … Wikipedia
Cheetah — This article is about the animal. For other uses, see Cheetah (disambiguation). Cheetah[1] Temporal range: Late Pliocene to Recent … Wikipedia
Diving cylinder — Diving cylinders to be filled at a diving air compressor station … Wikipedia
Maurice Fernez — (August 30, 1885 January 31, 1952 Alfortville) was a French inventor and pioneer in the field of underwater breathing apparati, respirators and gas masks. He was pivotal in the transition of diving from the tethered diving helmet and suit of the… … Wikipedia
North American river otter — Conservation status Least Concern … Wikipedia

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