plate control
81Helicopter rotor — This article is about helicopter main rotor systems. For antitorque control, see tail rotor. Helicopter rotor The rotor head of a Sikorsky S 92 A helicopter main rotor or rotor system is a type of fan that is used to generate both the aerodynamic …
82Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate …
83geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… …
84printmaking — /print may king/, n. the art or technique of making prints, esp. as practiced in engraving, etching, drypoint, woodcut or serigraphy. [1925 30; PRINT + MAKING] * * * Art form consisting of the production of images, usually on paper but… …
85Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
86Glossary of baseball (C) — Contents 1 Cactus League 2 caddy 3 called shot 4 called up …
87MythBusters (2007 season) — Country of origin Australia United States No. of episodes 25 (includes 4 specials) Broadcast Original channel Discovery Channel …
88Gaia (Final Fantasy VII) — Final Fantasy worlds Gaia  (Final Fantasy VII) Spira  (Final Fantasy X) Ivalice  (Final Fantasy XII) Gaia (also called the Planet ) is the fictional world in the 1997 console role playing game Final Fantasy VII.[1] The game s… …
89Dumaresq — For other uses, see Dumaresq (disambiguation). The Dumaresq is a mechanical calculating device invented around 1902 by Lieutenant John Dumaresq of the Royal Navy. The dumaresq is an analog computer which relates vital variables of the fire… …
90drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… …
