compressed gas accidents / gas embolism / behavior dive equipment / compressed gas / Gas bubbles / regulation dive equipment / suitable equipment / gas accident / gas dynamics / intellectual tools / gas laws / energy / /
MusicAlbum
Tea / /
NaturalFeature
Poor Knights Islands / Hauraki Gulf / /
Organization
MD MPH / /
Person
Jefferson Davis / / /
Position
waist and smaller diver / driver / relatively inexperienced diver / counsel / professional teacher / certified instructor / diver / young Alert Diver / free swimmer / incipient diver / ABOUT THE AUTHOR / inexperienced and fledgling diver / YOUNG DIVER / novice diver / delicate Alert Diver / /