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Be prepared for scuba diving
3/3/2010 10:19:14 AM

Be prepared for scuba diving

SCUBA is an acronym for Self Contained Underwater Breathing Apparatus. In short, scuba diving is an underwater activity practiced with the help of a system or an apparatus (usually a tank and air pressure regulator) able to provide a reserve of gas (usually air) in order to allow the diver to breathe air during the immersion.
In order to become a fully-qualified scuba diver, one must master several essential prerequisite physical skills.
It is also extremely important for the diver to be intimately knowledgeable about diving safety, as well as the physical properties of air and water at depth.
It is highly recommended that the new diver seek qualified training from licensed instructors.

Diving risks escalate drastically when the diver does not know the scientific basis for safe diving and does not use the necessary equipment.  YASA reminds that the most dangerous scuba diver is the “one alone” which is prohibited among all professional diving centers.

Learn The Basics
Scuba certification involves classroom work and in-water practice. The in-water practice will give you hands-on experience with scuba equipment and there are some important concepts you will need to learn in order to dive safely. These include:
• An understanding of air, what it is composed of and how your body uses it
• Understanding air pressure and the physics of diving
• Understanding air consumption
• Understanding the physiological processes which occur when breathing pressurized air, including in gassing and out gassing.
• Learning the risks involved in recreational scuba diving.

Gear up
Dive gear falls into two categories: required and gadget. Required gear includes a mask, snorkel, fins, buoyancy compensator (BC: a jacket-like device), regulator (a mouthpiece unit), weights, dive computer or watch and often a wetsuit. Gadget gear is usually associated with a particular type of diving – night diving, underwater photography, or search and recovery – and includes knives, underwater slates, cameras, strobes, video recorders, lights, lift bags, lines, reels, and even underwater laser pointers.
A mask, wetsuit, and fins are worth owning because a proper fit makes all the difference. For convenience we recommend you rent a tank, BC, and regulator. The quality of rental equipment at most professional dive shops is generally pretty high.
Hand signals: A universal underwater language. The most common signals are "thumbs up" for ascend, "thumbs down" for descend and the "OK" sign. Creative divers also have informal hand signals, ranging from "Danger!" to "I’m nervous"…








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