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Download as PDF; Printable version; In other projects ... free-diving, free diving, ... (2012) A Beginners Guide to Freediving, e-book published by DeeperBlue.com ...
Free diving to extreme depth. It can be avoided by limiting free diving depth to capacity of lungs to compensate, [35] and by training exercises to increase compliance of chest cavity. [citation needed] Rupture or supply pressure failure of a surface supply hose with simultaneous failure of the non-return valve. [35]
The freediving breaststroke technique used for CNF dives. Constant weight without fins (CNF) is an AIDA International (International Association for Development of Apnea) freediving discipline in which the freediver descends and ascends by swimming without the use of fins or without pulling on the rope or changing his or her ballast; only a single hold of the rope to stop the descent and to ...
These include certification in cave diving, commercial diving, recreational diving, technical diving and freediving. Diver certification agencies are organisations which issue certification of competence in diving skills under their own name, and which train, assess, certify and register the instructors licensed to present courses following the ...
The choice of tables for professional diving use is generally made by the organization employing the divers, and for recreational training it is usually prescribed by the certifying agency, but for recreational purposes the diver is generally free to make use of any of the range of published tables, and for that matter, to modify them to suit ...
The procedures vary depending on whether the diver is using scuba or surface supplied equipment. Scuba divers control their own descent and ascent rate, while surface supplied divers may control their own ascents and descents, or be lowered and lifted by the surface team, either by their umbilical, or on a diving stage, or in a diving bell.
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Solo diving is defined as diving planned to be conducted entirely or partly without a buddy. [4] [5] The term may also be applied to dives that begin with a buddy but continue after separation, and to dives where other divers are nearby but are either not responsible for the safety of the solo diver, or known not to be competent to deal with the consequences of a foreseeable contingency.