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This is a glossary of technical terms, jargon, diver slang and acronyms used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving can be described as a human activity – intentional, purposive, conscious and subjectively meaningful sequence of ...
Swim England is the national governing body for swimming, diving, water polo, open water swimming, and synchronised swimming in England. It forms part of British Swimming , a federation of the national governing bodies of England , Scotland ( Scottish Amateur Swimming Association ), and Wales ( Welsh Amateur Swimming Association ).
In 2018, PADI launched PADI Travel, an online dive travel resource and booking platform for dive resort and live-aboard packages. [16] In 2021, PADI reported it had a membership of over 128,000 professional members and 6,600 dive centers, and had awarded more than 28 million diving certifications internationally.
In most cases the pearl-bearing molluscs live at depths where they are not manually accessible from the surface, and diving or the use of some form of tool is needed to reach them. Historically the molluscs were retrieved by freediving , a technique where the diver descends to the bottom, collects what they can, and surfaces on a single breath.
Underwater breathing apparatus can be classified as open circuit, semi-closed circuit, (including gas extenders) or closed circuit (including reclaim systems), based on whether any of the exhaled gas is recycled, and as self-contained or remotely supplied (usually surface-supplied, but also possibly from a lock-out submersible or an underwater habitat), depending on where the source of the ...
The word SCUBA was coined in 1952 by Major Christian Lambertsen who served in the U.S. Army Medical Corps from 1944 to 1946 as a physician. [1] Lambertsen first called the closed-circuit rebreather apparatus he had invented "Laru", an (acronym for Lambertsen Amphibious Respiratory Unit) but, in 1952, rejected the term "Laru" for "SCUBA" ("Self-Contained Underwater Breathing Apparatus"). [2]
Diving accessories; divers’ masks; safety requirements, testing, marking of conformity. [40] CNS 12497:1989 Chinese National Standard, 潛水鏡. Diving mask. [41] CNS 12498:1989 Chinese National Standard, 潛水鏡檢驗法. Method of test for diving mask. [42] EN 16805:2015 European standard, Diving equipment. Diving mask. Requirements and ...
The M50 series mask entered service in December 2006. [3] [4] In July 2014, Avon Protection received a contract to supply 135,000 M50s for $33 million. [5]In March 2016, it was announced that 166,623 M50s were purchased by the Department of Defense (DOD) under a $42 million contract.
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