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Diving equipment is equipment used by underwater divers to make diving activities possible, easier, safer and/or more comfortable. This may be equipment primarily intended for this purpose, or equipment intended for other purposes which is found to be suitable for diving use. Equipment which is used for underwater work or other activities which is not directly related to the activity of diving, or which has not been designed or modified specifically for underwater use by divers is excluded. The fundamental item of diving equipment used by divers is underwater breathing apparatus, such as scuba equipment, and surface supplied diving equipment, but there are other important pieces of equipment that make diving safer, more convenient or more efficient. ==Classes of underwater breathing apparatus== * Surface supplied diving - mostly used in professional diving. This category includes: * * Surface oriented surface supplied diving (Bounce diving), where the diver starts and finished the dive at normal atmospheric pressure. * * Saturation diving, where the diver remains under pressure in an underwater habitat or saturation spread between underwater excursions. * * Standard diving dress - mostly used in professional diving. Mainly of historical interest now. * * Airline or Hookah diving. * * "Compressor diving" - a rudimentary form of surface supplied diving used in the Philippines by artisanal fishermen. * * Recreational forms like snuba. *Scuba diving - The use of self-contained underwater breathing apparatus. This category includes: * * Open-circuit scuba consisting of diving cylinder(s) and diving regulator(s) * * Rebreather, closed-circuit or semi-closed-circuit scuba * Free diving or breathhold diving, where the diver completes the dive on a single breath of air taken at the surface before the dive. * * Snorkel allows breathing at the surface with the face submerged, and is used as an adjunct to free diving and scuba. * Atmospheric diving suits and other submersibles which isolate the diver from the ambient environment. These are not considered here. * Liquid breathing systems are extremely rare and at an early experimental stage. It is hoped that some day practical systems allow very deep diving. This is not considered here. File:Working Diver 02.jpg|A US Navy diver at work. The umbilical supplying air from the surface is clearly visible Image:Standard_diving_dress_1.jpg|Diver in standard diving dress entering water at Stoney Cove, England File:Buzo.jpg|Scuba diver with single cylinder and open circuit regulator Image:Junko-Kitahama Apnea-Monofin cropped.jpg|Free-diver with monofin, ascending File:Newtsuit atmospheric diving suit.jpg|The Newtsuit is an atmospheric diving suit which has fully articulated rotary joints in the arms and legs. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Diving equipment」の詳細全文を読む スポンサード リンク
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