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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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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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.
Scuba diving is an activity and water sport that involves a self-contained underwater breathing apparatus that helps divers explore worlds beneath the surface. This takes place all over the world in many different environments and bodies of water.