Ключевые слова: activity, adventure, aqua, aqualung, background, blue, breath, bubble, certification, course, deep, dive, diving, equipment, extreme, female, happy, healthy, hobby, holiday, instructor, learn, leisure, lesson, mask, oxygen, person, pool, practicing, preparation, recreation, regulator, rescue, school, scuba, scuba diving, sport, student, swim, swimming pool, swimwear, tank, teaching, together, training, underwater, vacation, water, wave, woman,