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Recreational Diver training is the process of developing skills and knowledge in the use of diving equipment and techniques so that the diver is able to dive with minimum risks. Not only is the underwater environment hazardous but diving equipment can be dangerous, there are unexpected problems that divers must learn to avoid. Divers need practice and a gradual increase in challenge to build their confidence in their equipment and themselves, to develop the skills needed to control the equipment and to respond properly if they encounter difficulties. Most commercial operators and dive clubs serving divers insist that each diver is able to show them "certification", for the type of diving the diver intends to do. Dive operators, dive shops, and compressor operators on occasion have been known to refuse to allow uncertified people to dive, hire diving equipment or have their diving cylinders filled. == Sources of diver training == Many diver training organizations exist, throughout the world, offering diver training leading to certification: the issuing of a "Diving Certification Card," also known as a "C-card," or qualification card. Diving instructors affiliated to a diving certification agency may work independently or through a university, a dive club, a dive school or a dive shop. They will offer courses that meet, or exceed, the standards of the certification organization that will certify the divers attending the course. Reliable and unbiased advice on how to find quality diving instruction can be difficult to come by. There are computer bulletin boards such as (ScubaBoard ) that, at their best provide sterling advice: "How to find an excellent SCUBA class," but that at their worst can be misleading. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Recreational diver training」の詳細全文を読む スポンサード リンク
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