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11art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …
12Nuclear weapons and the United Kingdom — United Kingdom Nuclear program start date 10 April 1940 First nuclear weapon test 2 October 1952 First fusion weapon test …
13Civil engineering and infrastructure repair in New Orleans after Hurricane Katrina — This article covers the levee system and infrastructure repairs in New Orleans, Louisiana following Hurricane Katrina. Hurricane Katrina …
14T-54/T-55 operators and variants — Infobox Weapon name= T 54/55 caption= US Army recognition poster origin= Soviet Union type= Main battle tank is vehicle= yes is UK= yes service= 1947–present used by= wars= designer= Morozov (T 54), OKB 520 (T 54A and later) design date= 1945… …
15Demographic estimates of the flight and expulsion of Germans — Flight and expulsion of Germans during and after World War II (demographic estimates) Background …
16Earth and Space Sciences — ▪ 1996 Introduction GEOLOGY AND GEOCHEMISTRY In 1995 significant developments took place in the realm of geologic mapping, which provides the foundation for the presentation and comparison of data in the Earth sciences. The most important… …
17List of accidents and incidents involving military aircraft, 1950-1974 — This is a list of notable accidents and incidents involving military aircraft grouped by the year in which the accident or incident occurred. For more exhaustive lists, see the [http://www.baaa acro.com/ Aircraft Crash Record Office] or the [http …
18São Tomé and Príncipe — Democratic Republic of, a republic in W Africa, comprising the islands of São Tomé and Príncipe, in the Gulf of Guinea, N of the equator: a former overseas province of Portugal; gained independence in 1975. 147,865; 372 sq. mi. (964 sq. km). Cap …
19Policies, activities and history of the Philippines in Spratly Islands — This article discusses the policies, activities and history of the Republic of the Philippines in the Spratly Islands. It also discusses the general feelings of Filipino people about the issue, causing this article to discuss some anti Chinese… …
20Big Brother and the Holding Company — This article is about the music group. For their eponymous debut album, see Big Brother the Holding Company (album). Big Brother and the Holding Company The band when Janis Joplin was part of it circa 1966 1967 …