This full-color, extensively illustrated revision of a highly respected dive manual includes the information necessary to learn open water diving. Timely discussion include ecology and scuba techniques, equipment and safety materials, women's diving issues and concerns, expanded CPR information, air sharing and hand signals.When preparing to transport a tank by airplane, slowly discharge the air (take 30 minutes or more) and leave the ... Upon escape from the tank, the air expands and, since gasses cool when they expand (refrigerators and air conditioners are based on this principle), the ... Turn the valve on and check the air ;a#39;-Ar i.v.A-rva#39;a#39;a!rr 61.
|Title||:||Jeppesen's Open Water Sport Diver Manual|
|Author||:||Richard A. Clinchy, Glen H. Egstrom, Lou Fead|
|Publisher||:||Jones & Bartlett Learning - 1992|