fuel drain valve
51Tupolev Tu-144 — Tu 144 Aeroflot Tu 144 at the Paris Air Show in 1975 …
52History of perpetual motion machines — The history of perpetual motion machines dates back to the Middle Ages. For millennia, it was not clear whether perpetual motion devices were possible or not, but the development of modern thermodynamics has indicated that they are impossible.… …
53Hiram M. Chittenden Locks — Chittenden Locks and Lake Washington Ship Canal U.S. National Register of Historic Places …
54Honda CX series — Infobox Motorcycle name = CX series aka = manufacturer = Honda parent company = production = 1978–1983 predecessor = successor = GL500 Silverwing, ST series (influenced) class = engine = 500–673 cc water cooled longitudinal OHV 80° V twin, 4… …
55United Airlines Flight 232 — N1819U on its final descent, with visible damage on the horizontal stabilizer and fuselage tail cone Accident summary Date …
56Piping and plumbing fittings — Fittings are used in pipe and plumbing systems to connect straight pipe or tubing sections, to adapt to different sizes or shapes, and to regulate fluid flow, for example. Fittings, especially noncommon types, can be expensive, and require time,… …
57Air brake (road vehicle) — Air brakes are used in trucks, buses, trailers, and semi trailers. George Westinghouse first developed air brakes for use in railway service. A safer air brake was patented by him on March 5, 1872. Originally constructed for use on trains, and… …
58Mexico — /mek si koh /, n. 1. a republic in S North America. 97,563,374; 761,530 sq. mi. (1,972,363 sq. km). Cap.: Mexico City. 2. a state in central Mexico. 6,245,000; 8268 sq. mi. (21,415 sq. km). Cap.: Toluca. 3. Gulf of, Mexican, Golfo de México /gawl …
59Industrial Review — ▪ 1994 Introduction The period since 1990 was proving a difficult time for the older industrialized economies, which had suffered from prolonged recession at home, and also for the previously centrally planned economies of Eastern Europe… …
60Nickel–metal hydride battery — NiMH redirects here. For other uses, see NIMH (disambiguation). Nickel–metal hydride battery Modern, high capacity NiMH rechargeable cells specific energy 60–120 W·h/kg[1] …
