wash drilling
91dance — dancingly, adv. /dans, dahns/, v., danced, dancing, n. v.i. 1. to move one s feet or body, or both, rhythmically in a pattern of steps, esp. to the accompaniment of music. 2. to leap, skip, etc., as from excitement or emotion; move nimbly or… …
92North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… …
93Pakistan — /pak euh stan , pah keuh stahn /, n. 1. Islamic Republic of, a republic in S Asia, between India and Afghanistan: formerly part of British India; known as West Pakistan from 1947 71 to distinguish it from East Pakistan (now Bangladesh).… …
94Singapore — Singaporean, n., adj. /sing geuh pawr , pohr , sing euh /, n. 1. an island on the Strait of Singapore, off the S tip of the Malay Peninsula. 2. an independent republic comprising this island and a few adjacent islets: member of the Commonwealth… …
95Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
96copper processing — Introduction use of smelting or leaching, usually followed by electrolytic refining or recovery, to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of copper and of its… …
97mercury processing — Introduction preparation of the ore for use in various products. Mercury (Hg) has a unique combination of physical properties. Its low melting point (−38.87° C [−38° F]) and boiling point (356.9° C [674° F]), high specific gravity (13 …
98Notable Civil Engineering Projects 2 — ▪ Table Notable Civil Engineering Projects (in work or completed, 2006) Name Location Year of completion Notes Airports Terminal area (sq m) Beijing Capital (new Terminal 3) northeast of Beijing 904,000 2007 To be the world s largest airport… …
99Notable Civil Engineering Projects (in work or completed, 2007) — ▪ Table 492 Notable Civil Engineering Projects (in work or completed, 2007) Name Location Year of completion Notes Airports Terminal area (sq m) Beijing Capital (new Terminal 3) northeast of Beijing 904,000 2007 To be the world’s largest airport… …
100Francois-Philippe Charpentier — François Philippe Charpentier † Catholic Encyclopedia ► François Philippe Charpentier French engraver, inventor, and mechanician, b. at Blois, 1734; d. there 22 July, 1817. His father was a bookbinder, a poor man who made many… …
