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SCUBA safety
Salvitti, Tony ; Salvitti, Tony
Reseña del libro "SCUBA safety"
SCUBA safety, "the" book for swimmers, skin divers, life guards, and deep sea divers, from a experienced diver. With valuable tips on everything from rocky shores, riptides, hazardous marine life, air embolism, the "bends", and nitrogen narcosis. Even a experimental "electromagnetic shark shield" that could save lives the world over.