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Tubing, also known as inner tubing, bumper tubing, towed tubing, biscuiting (in New Zealand ), or kite tubing, is a recreational activity where an individual rides on top of an inner tube, either on water, snow, or through the air. The tubes themselves are also known as "donuts" or "biscuits" due to their shape.
The rapids were named the Boxcar Rapids in January 1954, [3] when Engine No. 857 on the Oregon Trunk Line of the Spokane, Portland and Seattle Railway turned a curve in the railroad and hit a rock slide. [1] [4] [5] The engine hit it hard, derailing all three locomotives and all twelve boxcars, and because the railroad is built on the side of ...
Dry box. A dry box is a storage container in which the interior is kept at a low level of humidity. It may be as simple as an airtight and watertight enclosure, or it may use active means to remove water vapor from the air trapped inside. Dry boxes are used to safely store items that would otherwise be damaged or adversely affected by excessive ...
Timber rafting on the Willamette River (May 1973). Timber rafting is a method of transporting felled tree trunks by tying them together to make rafts, which are then drifted or pulled downriver, or across a lake or other body of water. It is arguably, after log driving, the second cheapest means of transporting felled timber.
Rafting equipment has continuously evolved and developed significantly from old rubber WW II era military surplus rafts. Modern whitewater rafts are typically made with advanced nylon or Kevlar infused plastics like PVC or urethane; though many of the more entry-level low-cost manufacturers still use a glued rubber.
Floating raft is a land-based building foundation that protects it against settlement and liquefaction of soft soil from seismic activity. It was a necessary innovation in the development of tall buildings in the wet soil of Chicago in the 19th century, when it was developed by John Wellborn Root who came up with the idea of interlacing the ...