This book is for the person who is considering a career in commercial diving or who is enrolled in commercial diving school. It presents the facts, both good an
Exploring the underwater world with mask, fins and snorkel is an exciting personal adventure. Snorkeling allows you to unlock the mysteries of the sea, as well
Diving is an exciting sport as well as a requirement of some vocations such as commercial diving, military diving, public safety diving, and scientific diving.