hydraulic filling
81P-38 Lightning — infobox Aircraft name =P 38 Lightning type =Heavy fighter manufacturer =Lockheed caption = designer =Kelly Johnson first flight =27 January 1939 introduction = 1941 retired = 1949 primary user = United States Army Air Force more users = produced …
82Three Gorges Dam — Three Gorges Dam …
83Poppet valve — A poppet valve is a valve consisting of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. The shaft guides the plug portion by sliding through a valve guide. In most… …
84Robert William Thomson — (baptised 26 July 1822 ndash; 8 March 1873), from Stonehaven, Scotland, was the original inventor of the pneumatic tyre. [ [http://www.historic uk.com/HistoryUK/Scotland History/RobertWilliamThomson.htm www.historic uk.com Robert William Thomson] …
85Air Canada Flight 797 — Flight 797 redirects here. For the 1987 aviation incident involving the airline Varig, see Varig Flight 797. Air Canada Flight 797 Accident summary Date June 2, 1983(1983 06 02) Type …
86Compressed-air vehicle — The Victor Tatin airplane of 1879 used a compressed air engine for propulsion. Original craft, at Musée de l Air et de l Espace …
87Sand casting — Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material. It is relatively cheap and sufficiently refractory even for steel foundry use. A suitable bonding agent (usually clay)… …
88Bulk carrier — The Sabrina I is a modern Handymax bulk carrier. Class overview Name: Freighter Subclasses …
89Tiltmeter — A tiltmeter is an instrument designed to measure very small changes from the horizontal level, either on the ground or in structures. A similar term, in less common usage, is the inclinometer. Tiltmeters are used extensively for monitoring… …
90New Melones Dam — Location Sierra Nevada foothills Calaveras County, California Tuolumne County, California Coordinates …
