By the mid-twentieth century, high pressure gas cylinders were available and another system for scuba had emerged: open-circuit demand scuba, where the diver is supplied with gas on demand, and their exhaled breath is vented directly into the water.
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While recreational scuba diving is all about having fun and discovering underwater worlds, professional scuba diving focuses on work and research, often requiring more advanced skills and knowledge.
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Scuba diving involves underwater exploration using a Self-Contained Underwater Breathing Apparatus (SCUBA). This equipment allows divers to breathe and move freely underwater, offering a unique way to experience the ocean’s wonders.
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SCUBA merupakan singkatan dari Self-Contained Underwater Breathing Apparatus atau Perangkat Bernapas Bawah Air yang Berdiri Sendiri. Inisial ini berasal dari 1939 di Navy AS untuk menunjuk ke alat pernapasan penyelam militer AS.
Want to learn how to scuba dive? Here's everything you need to know about diving and scuba certifications in a step-by-step beginners guide.