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Gas blending for scuba diving (or gas mixing) is the filling of diving cylinders with non-air breathing gases such as nitrox, trimix and heliox. Use of...

Saturation diving is diving for periods long enough to bring all tissues into equilibrium with the partial pressures of the inert components of the breathing...

Trimix is a breathing gas consisting of oxygen, helium and nitrogen and is used in deep commercial diving, during the deep phase of dives carried out using...

Scuba diving is a mode of underwater diving whereby divers use breathing equipment that is completely independent of a surface breathing gas supply, and...

Surface-supplied diving is a mode of underwater diving using equipment supplied with breathing gas through a diver's umbilical from the surface, either...

used for dives below 130 metres in commercial diving. Hydrox, a gas mixture of hydrogen and oxygen, is used as a breathing gas in very deep diving. Neox...

A diving team is a group of people who work together to conduct a diving operation. A characteristic of professional diving is the specification for minimum...

Rebreather diving is underwater diving using diving rebreathers, a class of underwater breathing apparatus which recirculate the breathing gas exhaled by...

Diving support equipment is the equipment used to facilitate a diving operation. It is either not taken into the water during the dive, such as the gas...

A diving cylinder or diving gas cylinder is a gas cylinder used to store and transport high pressure gas used in diving operations. This may be breathing...

Cave-diving is underwater diving in water-filled caves. It may be done as an extreme sport, a way of exploring flooded caves for scientific investigation...

Scuba diving fatalities are deaths occurring while scuba diving or as a consequence of scuba diving. The risks of dying during recreational, scientific...

Diving bells are usually suspended by a cable, and lifted and lowered by a winch from a surface support platform. Unlike a submersible, the diving bell...

diving equipment (SSDE) is the equipment required for surface-supplied diving. The essential aspect of surface-supplied diving is that breathing gas is...

occasionally used as gas extenders for surface-supplied diving and as bailout systems for scuba or surface-supplied diving. Gas reclaim systems used for...

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...

Better Diving. High Springs, Florida: Global Underwater Explorers. p. 113. ISBN 0-9713267-0-3. US Navy Diving Manual Revision 6, Chpt. 14 page 2 "Gas nixtures"...

atmospheric pressure are provided for diving-related applications such as saturation diving and diver decompression, and non-diving medical applications such as...

considers deep diving a form of technical diving.[page needed] In technical diving, a depth below about 60 metres (200 ft) where hypoxic breathing gas becomes...

is provided as an overview of and topical guide to underwater diving: Underwater diving can be described as all of the following: A human activity – intentional...