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What is Scuba Diving?
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SCUBA stands for Self Contained Underwater Breathing Apparatus. It is a system originally designed by Emile Gagnan and Jacques Cousteau in which high-pressure air is stored in tanks and reduced to a breathable pressure - that of the surrounding (ambient) water pressure. The term SCUBA arose during World War II and originally referred to USA combat frogmen's oxygen rebreathers, developed by Dr. Christian Lambertsen for underwater warfare. The main components of SCUBA are: |
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Tank - stores high pressure air for use underwater.
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Regulator - breaks down the air pressure to a breathable level and delivers air from the tank to your mouth.
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Instruments - indicate your tank pressure, depth, dive time, and sometimes body nitrogen levels, remaining allowable safe dive time, safety or decompression stops required, surface intervals, and the list goes on!
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Another component usually needed is a BCD - Buoyancy Control Device (funnily enough, used to control your buoyancy). Other names for this device are BC, Compensator, Stab Jacket, Buoycomp, Horse Collar and Toilet Seat! [TB]
- There are others which you can find out about on this website.
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Tel: +44 (0)1722 501 692 |
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