Diving underwater has been a common practice for many centuries. Human beings have been inclined to dive for various reasons. These include for finding artifacts and jewels, engaging in warfare, searching for shipwrecks and for understanding deepwater marine life. However, diving underwater was far more hazardous in earlier times. These endeavors were anxiety producing and short, as the availability of oxygen for breathing was limited.
In earlier times, people residing in remote regions would dive with the help of seaweed and chords tied around their waists. One can attribute this to the fact that they have spent years learning to hold their breath underwater for long periods of time. This is a dangerous venture and should not be attempted by anyone.
Scuba derives its name from the usage of a self-contained underwater breathing apparatus known as scuba. A scuba set provides the diver with the breathing gas that is necessary to breathe underwater. This enables scuba divers to enjoy safe and long dives, distinguishing it from plain underwater diving. The word scuba was first used in 1939 by the US Navy to refer to US military divers’ re-breather sets.
The two types of scuba equipment are the “open-circuit” or aqua-lung scuba, which was created by Jacques-Yves Cousteau and the “closed-circuit” or re-breather type scuba. Scuba divers wear this equipment in order to stay under water for long periods of time. Nowadays, scuba diving is used for commercial, scientific, and military reasons as well. Diving is used to assist research on new business undertakings, such as ocean oil drilling and bridge construction. Scientists also make use of scuba equipment to study the numerous mechanisms of aquatic ecological science. Special forces in the military are trained as scuba divers to provide the United States military with scuba proficiency if required.
Assisted by a scuba set, professionals and amateurs can watch and learn about underwater life with ease. The invention of scuba gear has made it possible for men to dive effortlessly to the ocean floor, in search of shipwrecks, marine life and microscopic underwater organisms – or to simply dive for pleasure. Whether one dives for recreation or business, scuba is a vital tool that allows a diver to spend long periods underwater.
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