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...he world, and has also been used for [[ghost net]] removal and for [[wreck diving]].<ref name="Rhea 2021" /> ...[submersible pressure gauge]] for the supply gas cylinder, and can be left underwater as a [[Stage cylinder|stage]] set with the valves closed and then be turned ...

{{short description|Military semi-closed circuit passive addition diving rebreather}} ...n of AGA and has been manufacturing self-contained breathing apparatus for diving, firefighting and rescue applications since the 1950s. ...

{{Short description|Risk management of underwater diving activities}} ...on of some of the equipment is critical to even short-term survival. Other equipment allows the diver to operate in relative comfort and efficiency, or to remai ...

{{short description|Influences of the underwater environment on the physiology of human divers}} ...derwater environment on air-breathing vertebrates|Physiology of underwater diving}} ...

{{short description| Underwater diving using self contained breathing gas recycling apparatus }} {{about|the activity and procedures|the equipment|Diving rebreather}} ...

...f manufacturing; to research and to develop tools, processes, machines and equipment; and to integrate the facilities and systems for producing quality products ...e diving "Law-ers": A brief resume of their lives |journal=[[South Pacific Underwater Medicine Society Journal]] |volume=29 |issue=1 |year=1999 |issn=0813-1988 | ...

...ence]], take advantage of their relatively high densities. In [[underwater diving]], lead is used as a [[ballast]];<ref name="Emsley 2011 286">{{harvnb|Emsle ...5}}; {{harvnb|Di Maio|2016|p=154}}</ref> Doubts have been raised about the safety (or [[environmentally friendly|green credentials]]) of tungsten.<ref>{{harv ...

...diving "Law-ers": A brief resume of their lives. |journal=[[South Pacific Underwater Medicine Society Journal]] |volume=29 |issue=1 |year=1999 |issn=0813-1988 | ...automatic control is the use of various [[control system]]s for operating equipment such as machinery, processes in factories, boilers, and heat-treating ovens ...