skin diving


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skin diving,

act of swimming freely underwater. It is done with the aid of a face mask, swimming fins for the feet, and either a snorkelsnorkel,
tube through which a submarine or diver can draw air while underwater. When in use, the top of the snorkel tube extends above the water surface into the air. The first snorkels were probably devised in ancient times out of the hollow reeds that are common to many lakes
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 breathing tube or scuba [acronym for self-contained underwater breathing apparatus] gear. The fins increase the propulsion and agility of the swimmer. Skin diving is used in scientific, commercial, and military activities and in recent years has gained enormous popularity as a beach sport. Free underwater swimming is not new, and as long ago as the 8th cent. B.C. Greek divers, unconnected to the surface by air hoses or lines, collected sponges and mollusks in depths as great as 100 ft (30 m). The Greeks and Romans employed underwater warriors, trained to hold their breath for long periods of time, to sabotage enemy fleets. In the Pacific islands natives have long practiced skin diving and spear fishing. Many improvements in skin-diving equipment were made during World War II, and the so-called frogmen of the U.S. and British navies played a vital role in operations. An important development of this period was scuba diving with an Aqua-lung (see diving, deep-seadiving, deep-sea,
act of descending into deep water, generally with some form of breathing apparatus, and remaining there for an extended period. It is used in fishing for sponges, coral, and pearls; in work on the underwater parts of bridges, docks, and other structures; in
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). The scuba diver, with his greater mobility, has replaced in many areas of underwater activity the conventional sea diver who is encumbered by heavy equipment and limited by a lifeline and air hose. However, it is dangerous for a scuba diver to work below a 130-ft (40-m) depth, and although free dives have been made to more than 300 ft (91 m), conventional dress and equipment are generally used for deep descents.

Bibliography

See J. Strykowski, Diving for Fun (3d ed. 1971); H. Hass, Challenging the Deep (tr. 1973).

skin diving

[′skin ‚dīv·iŋ]
(engineering)
Diving without breathing apparatus, using fins and faceplate only.

skin diving

the sport or activity of diving and underwater swimming without wearing a diver's costume
References in periodicals archive ?
But during his videotaped deposition, Anderson said he had little memory of the evidence in response to questions from Scheck about the transcript and the skin diving suit and whether any of that should have been disclosed to Morton's lawyers.
Meanwhile, children from ten to 14 can have fun at the new T-CO club, with activities such as body boarding and skin diving. Haven is also staging some great new and exclusive West End musicals such as Fame and Boogie Nights at its All Action Parks in the summer.
In summer it offers mountain biking and cycle touring holidays, as well as walking ones, and there are facilities for paragliding, trial motor cycling, orienteering, golf, sailing, canoeing, climbing, horse-riding, skin diving and swimming.
For boat-snorkeling trips, ask at any hotel desk, or look in the yellow pages under Skin Diving Tours.
The government, led by the DENR, DILG and DOT, is tasked to implement a 2008 Supreme Court continuing mandamus to clean up, rehabilitate and preserve Manila Bay, and restore and maintain its waters to SB level to make them fit for swimming, skin diving and other forms of contact recreation.
Ubac, a veteran journalist, was referring to the High Court's 18 December 2008 ruling ordering 13 government agencies (referred to as mandamus agencies) to "clean up, rehabilitate, and preserve Manila Bay, and restore and maintain its waters to SB level to make them fit for swimming, skin diving, and other forms of contact recreation."
Cimatu earlier said the DENR intended to duplicate the government rehabilitation strategy for the resort island of Boracay to reduce Manila Bay's coliform concentration to a safe level and make the water fit again for swimming, skin diving and other forms of recreation.
To recall, on December 18, 2008, the Supreme Court ordered 13 government agencies to 'clean up, rehabilitate and preserve Manila Bay, and restore and maintain its waters to SB level to make them fit for swimming, skin diving and other forms of contact recreation.'
DENR Secretary Roy Cimatu said he is keen to have Manila Bay rehabilitated, restored, and maintained to a level fit for swimming, skin diving, and other contact forms of recreation.
'For the Manila Bay waters to be rehabilitated, restored and maintained to a level fit to swimming, skin diving and other contact forms of recreation, teamwork from all sectors is necessary,' MWSS administrator Reynaldo Velasco said.
To recall, on December 18, 2008, the Supreme Court ordered 13 government agencies to 'clean up, rehabilitate, and preserve Manila Bay, and restore and maintain its waters to SB level to make them fit for swimming, skin diving and other forms of contact recreation.'