case-ring gauge
21Oil pump (internal combustion engine) — This article is about a part in an internal combustion engine. For other uses, see Oil pump. Oil circulation system …
22Boxing — For other meanings of these words, see Boxing (disambiguation), Boxer (disambiguation), Box (disambiguation), or Prizefighter (disambiguation). Boxing Ricardo Dominguez (left) is throwing an uppercut on Rafael Ortiz (right). Also known as… …
23Michael Atiyah — Sir Michael Atiyah Born 22 April 1929 (1929 04 22) (age 82) …
24Topological string theory — In theoretical physics, topological string theory is a simplified version of string theory. The operators in topological string theory represent the algebra of operators in the full string theory that preserve a certain amount of supersymmetry.… …
25Iran — /i ran , i rahn , uy ran /, n. a republic in SW Asia. 67,540,002; ab. 635,000 sq. mi. (1,644,650 sq. km). Cap.: Teheran. Formerly (until 1935), Persia. * * * Iran Introduction Iran Background: Known as Persia until 1935, Iran became an Islamic… …
26Western Digital My Book — A My Book Essential Edition External Hard Drive with 1 TB capacity My Book is a series of external hard drives produced by Western Digital. There are currently nine series of My Book drives; Essential Edition, Home Edition, Office Edition, Mirror …
27France — /frans, frahns/; Fr. /frddahonns/, n. 1. Anatole /ann nann tawl /, (Jacques Anatole Thibault), 1844 1924, French novelist and essayist: Nobel prize 1921. 2. a republic in W Europe. 58,470,421; 212,736 sq. mi. (550,985 sq. km). Cap.: Paris. 3.… …
28Ireland — Irelander, n. /uyeur leuhnd/, n. 1. John, 1838 1918, U.S. Roman Catholic clergyman and social reformer, born in Ireland: archbishop of St. Paul, Minn., 1888 1918. 2. Also called Emerald Isle. Latin, Hibernia. a large western island of the British …
29Bicycle wheel — For the Marcel Duchamp installation, see Bicycle Wheel. The front wheel from a racing bicycle made using a Mavic rim …
30Shotgun — For other uses, see Shotgun (disambiguation). A pump action Remington 870, two semi automatic …
