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Personal flotation devices being worn on a navy transport . A personal flotation device (PFD; also referred to as a life jacket, life preserver, life belt, Mae West, life vest, life saver, cork jacket, buoyancy aid or flotation suit) is a flotation device in the form of a vest or suit that is worn by a user to prevent the wearer from drowning in a body of water.
A buoyancy compensator (BC), also called a buoyancy control device (BCD), stabilizer, stabilisor, stab jacket, wing or adjustable buoyancy life jacket (ABLJ), depending on design, is a type of diving equipment which is worn by divers to establish neutral buoyancy underwater and positive buoyancy at the surface, when needed.
Most buoyancy aids are one of three basic designs: Over the head vest, where the one-piece vest is pulled on over the head. Front zip jacket, where the buoyancy aid is worn like a regular jacket, zipped up at the front. This design limits the front-buoyancy as it requires two separate blocks of foam and a gap for the zip.
Life preserver or life-preserver may refer to: a life preserver is a piece of equipment designed to assist a wearer in keeping afloat; also referred to as a lifejacket, life preserver, Mae West, life vest, life saver, cork jacket, buoyancy aid, or flotation suit Lifebuoy, a ring-shaped flotation device; A kind of club
Ways to adjust buoyancy were developed to produce equipment such as the inflatable life jacket, which is filled with gas and helps to reduce a person's average density, assisting in floating and swimming, as well as certain diving equipment (including submarines and submersibles) which have adjustable volume air chambers to regulate buoyancy.
Of all those instances, only the man from Lewiston was reported to have been wearing a life jacket. Approximately 34 people die from drowning in Idaho every year, or 1.74 per 100,000 people in the ...
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Lifebuoy with emergency light on a cruise ship A lifebuoy floating on water. A lifebuoy or life ring, among many other names (see § Other names), is a life-saving buoy designed to be thrown to a person in water to provide buoyancy and prevent drowning. [1]
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