drilling problems

  • 71Renewable energy in Africa — The developing nations of Africa are popular locations for the application of renewable energy technology. Currently, many nations already have small scale solar, wind, and geothermal devices in operation providing energy to urban and rural… …

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  • 72Ice Road Truckers — Genre …

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  • 73Guyana — Guyanese /guy euh neez , nees /, n., adj. /guy an euh, ah neuh/, n. an independent republic on the NE coast of South America: a former British protectorate; gained independence 1966; member of the Commonwealth of Nations. 706,116; 82,978 sq. mi.… …

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  • 74Chernobyl disaster — This article is about the 1986 nuclear plant accident in Ukraine. For other uses, see Chernobyl (disambiguation). Chernobyl disaster …

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  • 75Sago Mine disaster — wikinewshas|three articles on the accident * * *The Sago Mine disaster was a coal mine explosion on January 2, 2006, in the Sago Mine (pronEng|ˈseɪgoʊ) in Sago, West Virginia, USA near the Upshur County seat of Buckhannon. The blast and ensuing… …

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  • 76materials 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… …

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  • 77Marcellus Formation — Stratigraphic range: Middle Devonian …

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  • 78Economy of Africa — The economy of Africa consists of the trade, industry, and resources of the peoples of Africa. As of July 2005, approximately 887 million people were living in 54 different states. Africa is the world s poorest inhabited continent. Though parts… …

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  • 79Dental implant — Intervention A Straumann brand root form endosseous dental implant placed in the site of the maxillary left permanent first molar with bone graft used to elevate the sinus floor …

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  • 80Petroleum in Nigeria — The extraction and drilling of petroleum in Nigeria is the largest industry and main generator of GDP in the West African nation which is also the continent s most populous. Since the British discovered oil in the Niger Delta in the late 1950s,… …

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