PADI Certification History Worldwide / TDI / NEC / /
Continent
America / /
IndustryTerm
metal container / decompression gas / /
Movie
The buddy system / /
Organization
DEMA Diving Equipment and Marketing Association / Yorkshire Divers and ScubaBoard / IANTD / YMCA Young Men’s Christian Association / British Sub-Aqua Club / PADI Professional Association of Diving Instructors / Deutschees Institut / NAUI National Association of Underwater Instructors / International Association of Nitrox / /