Download or read book Portuguese SDI Open Water Scuba Diver Student Manual written by International Training and published by . This book was released on 2017-03-06 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The SDI Open Water Student Manual is the text-book literary assistant to the SDI Open Water Diver certification course. By signing up for this course, the perspective student has taken the first step to becoming a certified scuba diver. This manual details diving history, oceanography, marine life, the physics and physiology behind the sport of diving, scuba diving equipment, as well as an in-depth training of basic scuba diving skills and techniques.