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Downdraft table. Downdraft tables or downdraught benches are workbenches with built-in ventilation to capture dust, smoke, and fumes and draw them away from the operator and the material being worked on. [1] They typically consist of a perforated surface whose underside is connected to a ventilation or dust collection system, to draw material ...
A Tip-top table is a folding table with the tabletop hinged so it can be placed into a vertical position when not used to save space. It is also called tilt-top table, tip table, [1] snap table [2] [3] some variations are known as tea table, loo table. These multi-purpose tables were historically used for playing games, drinking tea or spirits ...
Vertical drafts, known as updrafts or downdrafts, are localized regions of warm or cool air that move vertically. A mass of warm air will typically be less dense than the surrounding region, and so will rise until it reaches air that is either warmer or less dense than itself. The converse will occur for a mass of cool air, and is known as ...
Hobart Alter. Hobart "Hobie" Laidlaw Alter (October 31, 1933 – March 29, 2014) was an American surf and sailing entrepreneur and pioneer, creator of the Hobie Cat catamarans, and founder of the Hobie company. He created the Hobie 33 ultralight-displacement sailboat and a mass-produced radio-controlled glider, the Hobie Hawk.
An energy tower (also known as a downdraft energy tower, because the air flows down the tower) is a tall (1,000 meters) and wide (400 meters) hollow cylinder with a water spray system at the top. Pumps lift the water to the top of the tower and then spray the water inside the tower. Evaporation of water cools the hot, dry air hovering at the ...
Tabletop game. Chess and its relatives have been popular for centuries. Tabletop games or tabletops are games that are normally played on a table or other flat surface, such as board games, card games, dice games, miniature wargames, or tile-based games. [1][2]
The Hobby, [1] [2] [3] named like many other aircraft designed by F. G. Miles after a bird of prey, was a small low winged cantilever monoplane powered by an inverted, inline 145 hp (108 kW) de Havilland Gipsy Major 2 engine driving a two-blade variable-pitch propeller. [1] It was intended both as a racer and as an aerodynamic research aircraft.
A tabletop runway is a runway that is located on the top of a plateau or hill with one or both ends adjacent to a steep precipice which drops into a deep gorge. [1][2] This type of runway creates an optical illusion of being at the same level as the plains below, which requires a very precise visual approach by the pilot when instrument landing ...