localized mass
81Heat exchanger — An interchangeable plate heat exchanger Tubular heat exchan …
82Mushroom cloud — created by smoke billows Ascending cloud from Redoubt Vol …
83Algeria — /al jear ee euh/, n. a republic in NW Africa: formerly comprised 13 departments of France; gained independence 1962. 29,830,370; 919,352 sq. mi. (2,381,122 sq. km). Cap.: Algiers. * * * Algeria Introduction Algeria Background: After a century of… …
84Joachim von Ribbentrop — Infobox Officeholder name = Joachim von Ribbentrop imagesize = small caption = order = Reich Minister of Foreign Affairs term start = February 4, 1938 term end = April 30, 1945 president = Adolf Hitler Führer chancellor = Adolf Hitler predecessor …
85Brazing — This article is about the metal joining process. For the cooking technique, see braising. Brazing practice Brazing is a metal joining process whereby a filler metal is heated above and distributed between two or more close fitting parts by… …
86Human brain — The human brain controls the central nervous system (CNS), by way of the cranial nerves and spinal cord, the peripheral nervous system (PNS) and regulates virtually all human activity.Cite web|url=http://encarta.msn.com/encyclopedia… …
87Geology of the Moon — The geology of the Moon (sometimes called selenology, although the latter term can refer more generally to lunar science ) is quite different from that of the Earth. The Moon lacks a significant atmosphere and any bodies of water, which… …
88South America — South American. a continent in the S part of the Western Hemisphere. 271,000,000; ab. 6,900,000 sq. mi. (17,871,000 sq. km). * * * Continent, Western Hemisphere. The world s fourth largest continent, it is bounded by the Caribbean Sea to the… …
89tumour — or neoplasm Mass of abnormal tissue that arises from normal cells, has no useful function, and tends to grow. Cell abnormalities may include increased size or number or loss of characteristics that differentiate their tissue of origin. Cells in… …
90Callus — The word callus has several meanings: 1) A callus or callosity is a localized firm thickening of the upper layer of skin as a result of repetitive friction. A callus on the skin of the foot has become thick and hard from rubbing (as a result of… …
