internal drilling
61materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …
62Involvement of the People's Republic of China in Africa — This article is primarily about economic relations between the PRC and Africa. For a more general overview, see Sino African relations. The People s Republic of China and Africa Chinese involvement in Africa, which began centuries ago, continues… …
63Anatoly Marchenko — Anatoly Tikhonovich Marchenko (also Anatoli Marchenko, Anatolii Marchenko, etc.) (January 23, 1938 – December 8, 1986) was an influential and well known Soviet dissident, author, and human rights campaigner. He was the first recipient of the… …
64ship — shipless, adj. shiplessly, adv. /ship/, n., v., shipped, shipping. n. 1. a vessel, esp. a large oceangoing one propelled by sails or engines. 2. Naut. a. a sailing vessel square rigged on all of three or more masts, having jibs, staysails, and a… …
65ultrasonics — /ul treuh son iks/, n. (used with a sing. v.) the branch of science that deals with the effects of sound waves above human perception. [1930 35; see ULTRASONIC, ICS] * * * Vibrational or stress waves in elastic media that have a frequency above… …
66Michels Corporation — is an international utility, engineering, design and construction contractor based in Brownsville, Wisconsin. With more than 4,500 employees in its 15 divisions and subsidiaries, Michels is the largest construction company in Wisconsin. It… …
67Halliburton — For other uses, see Haliburton (disambiguation). Halliburton Type Public Traded as NYSE:  …
68Drill — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… …
69Ted Stevens — Infobox Officeholder name = Theodore Fulton Stevens |thumb|right|250px|Senate portrait imagesize = small caption = jr/sr=Senior Senator state=Alaska term start = December 24, 1968 alongside =Lisa Murkowski term end = vicepresident =… …
70Machining — Machine shop redirects here. For the record label, see Machine Shop Recordings. New Guinea in 1943. Mobile Machine Shop truck of the US Army with machinists working on automotive parts. Conventional machining is a form of subtractive… …
