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A mother holds two children in an automobile inner tube floating on an unidentified body of water in 1916. Towed tubing behind a personal watercraft on the Mississippi River Free-floating tubers on Esopus Creek in the Catskill Mountains of New York. Tubing on water generally consists of two forms: towed and free-floating, also known as river ...
Child size A vehicle inner tube being used as a swim ring in 1916 Tubes on the water. A swim ring (also known as a swimming ring, swim tube, rubber ring, water donut, floatie, inner tube, or, in the United States, a lifesaver) is a toroid-shaped (hence the name "ring" or "doughnut") inflatable water toy.
Submerged floating tunnels can be anchored to the seafloor (left) or suspended from a pontoon (right) A submerged floating tunnel (SFT), also known as submerged floating tube bridge (SFTB), suspended tunnel, or Archimedes bridge, is a proposed design for a tunnel that floats in water, supported by its buoyancy (specifically, by employing the hydrostatic thrust, or Archimedes' principle).
A rare attack by a river otter in southern Montana injured three women floating on inner tubes and inflicted wounds serious enough that one victim had to be airlifted to a hospital, authorities ...
As a rule, the mega-float is a floating structure having at least one length dimension greater than 60 metres (200 ft) Horizontally large floating structures can be from 500 to 5,000 metres (1,600 to 16,400 ft) in length and 100 to 1,000 metres (330 to 3,280 ft) in width, with typical thickness of 2 to 10 metres (6.6 to 32.8 ft).
The SZB project includes a 6.7 km-long (4.2 mi) immersed tube which also will be the world's widest immersed tube, carrying eight traffic lanes. [11] Prior to the completion of the Marmaray and HZMB tunnels, the Transbay Tube in San Francisco Bay, completed in 1969, was the world's deepest and longest immersed tube, at 41 metres (135 ft) below ...