bottom-hole assembly
121Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
122steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
123community ecology — Introduction study of the organization and functioning of communities (community), which are assemblages of interacting populations of the species living within a particular area or habitat. As populations of species interact with one …
12419-inch rack — Rack mounted redirects here. See also 23 inch rack and Industrial PC. Numerous 19 inch racks in a professional audio application …
125baseball — /bays bawl /, n. 1. a game of ball between two nine player teams played usually for nine innings on a field that has as a focal point a diamond shaped infield with a home plate and three other bases, 90 ft. (27 m) apart, forming a circuit that… …
126Escalator — For the album by Sam Gopal, see Escalator (album). Escalators in a Copenhagen Metro station, Denmark, 2007 Escalator in action, 2011 An e …
127Human rights in Cuba — Life in Cuba Art Cinema Cuisine Culture Demographics Education Health Holidays Human Rights Literature Music …
128Iran — /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… …
