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A prescription mask, or glasses which can be mounted inside the mask or helmet to provide clear vision underwater, enhancing the experience and safety for those with vision problems. A prescription mask contains lenses mounted in the scuba mask frame or bonded to the original viewports. Diving helmets are often used for surface-supplied diving ...
A typical requirement for indoor facilities is that they must provide 5 metres (16 ft) clearance above the highest diving board or platform, so that divers do not hit a ceiling structure. [ 1 ] The competitive sport of diving has included the 10-meter dive as an Olympic event since the 1904 Summer Olympics .
In platform diving, the diver jumps from a high stationary surface. The height of the platforms – 10 metres (33 ft), 7.5 metres (25 ft) and 5 metres (16 ft) – gives the diver enough time to perform the acrobatic movements of a particular dive. There are additional platforms set at 3 metres (9.8 ft) and 1 metre (3.3 ft).
A diving bell is a rigid chamber used to transport divers from the surface to depth and back in open water, usually for the purpose of performing underwater work. The most common types are the open-bottomed wet bell and the closed bell, which can maintain an internal pressure greater than the external ambient. [1]
The speed that a diver is travelling at the water surface when they dive from a ten-metre platform is around 35 mph [29] and when a diver hits the water flat from 10 metres they are brought to rest in about 1 ft.
A davit (/ ˈ d eɪ v ɪ t /) [1] is any of various crane-like devices used on a ship for supporting, raising, and lowering equipment such as boats and anchors. [ 2 ] Davit systems are most often used to lower an emergency lifeboat to the embarkation level to be boarded.
The men's 10-metre platform diving competition at the 2020 Summer Olympics in Tokyo was held on 6 to 7 August 2021 at the Tokyo Aquatics Centre. [1] It was the 27th appearance of the event, which has been held at every Olympic Games since the 1904 Summer Olympics.
At the 1984 Summer Olympics in Los Angeles, four diving events (2 for men and 2 for women) were contested during a competition that took place at the Olympic Swim Stadium of the University of Southern California (USC), from 5 to 12 August, comprising 80 divers from 29 nations.
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