sound drilling practices
51Coral reef — Marine habitats Biodiversity of a coral reef Lit …
52Trepanation — (also known as trepanning, trephination, trephining or burr hole) is surgery in which a hole is drilled or scraped into the Human skull, thus exposing the dura mater in order to treat health problems related to intracranial diseases, though in… …
53Chinese martial arts — Kung fu redirects here. For other uses, see Kung fu (disambiguation). Wushu Traditional Chinese 武術 Literal meaning martial art …
54John Kerry presidential campaign, 2004 — Infobox U.S. federal election campaign, 2008 committee = John Kerry for President campaign = U.S. presidential election, 2004 candidate = John Kerry U.S. Senator 1985–present status = Lost election November 2, 2004 affiliation = Democratic Party… …
55Egypt — /ee jipt/, n. 1. Arab Republic of. a republic in NE Africa. 64,791,891; 386,198 sq. mi. (1,000,252 sq. km). Cap.: Cairo. Arabic, Misr. Formerly (1958 71), United Arab Republic. 2. an ancient kingdom in NE Africa: divided into the Nile Delta… …
56Iraq — /i rak , i rahk /, n. a republic in SW Asia, N of Saudi Arabia and W of Iran, centering in the Tigris Euphrates basin of Mesopotamia. 22,219,289; 172,000 sq. mi. (445,480 sq. km). Cap.: Baghdad. Also, Irak. * * * Iraq Introduction Iraq Background …
57occupational disease — 1. Also called industrial disease. a disease caused by the conditions or hazards of a particular occupation. 2. a trait or tendency that develops among members of a particular profession: Cynicism was thought to be an occupational disease of… …
58ship — 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… …
59Ukraine — /yooh krayn , kruyn , yooh krayn/, n. a republic in SE Europe: rich agricultural and industrial region. 50,684,635; 223,090 sq. mi. (603,700 sq. km). Cap.: Kiev. Russian, Ukraina. Formerly, Ukrainian Soviet Socialist Republic. * * * Ukraine… …
60commercial fishing — Introduction the taking of fish and other seafood and resources from oceans, rivers, and lakes for the purpose of marketing them. Fishing is one of the oldest employments of humankind. Ancient heaps of discarded mollusk shells (shell… …
