Underwater sport is closely linked with the diving business - one of the oldest forms of industrial activity of man. Already in ancient times man has learned to go down under the water. Thus appeared the first divers. The most experienced and toughest of them could, without any equipment down to depths of up to 30 and even up to 40 m and remain there for 1-3 minutes.
To extend your stay under the water, people began to take a leather bag with air, and at shallow depths using a tube communicating with the outside air. To keep the upper end of the tube in the water float attached to it.
Art of diving have begun to use not only for obtaining food and valuable shells, but also to carry out underwater various protozoa (diving) operations. Has been applied widely and divers work in the military. Preserved numerous documents and monuments of ancient times, indicating that the divers, divers were used for construction and demolition of underwater obstacles at the entrance to the harbor, anchor lines cut the enemy's ships, submarines unit ambushes, small water obstacles to overcome.
The development of the conditions of material life of society, the rapid flowering of science and technology, trade, shipbuilding and navigation, expanded the scope of tasks undertaken by divers, and provoked further development and improvement of diving equipment.
Features of underwater sports have increased significantly with the creation of autonomous vehicles easy diver.
Underwater sport began to grow rapidly especially with the advent of scuba gear - the universal sport and easy diver equipment that is available a wide range of individuals and best meets both a sport and professional requirements. Scuba is an autonomous unit consisting of one, two or three cylinders with compressed air, located behind the diver, swimmer, breathing machine, feeding air to breathe in the required in accordance with the depth of immersion) the number, and breathing tubes. This device diver can move freely underwater. On his feet he wears the rubber fin, or fins, accelerating its movement in the water and to facilitate immersion and emersion.
Especially popular scuba diving was after the Second World War. Its pioneers were the sailors. However, their attraction to this sport is quite understandable, because it develops in people physical endurance, agility, courage, and teaches them to a free orientation, skillful, quick and decisive action in difficult circumstances. |
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