ideal efficiency
111Moving parts — This article is about machinery and engineering. For the rock band, see Moving Parts. For the musical album, see Fewer Moving Parts. some of the moving parts of an automobile engine The moving parts of a machine are those parts of it that move.… …
112Free market — A free market is a market in which property rights are voluntarily exchanged at a price arranged completely by the mutual consent of sellers and buyers. In a free market, individuals, rather than government, make the majority of decisions… …
113Refrigeration — Commercial refrigeration Ice is used to refriger …
114Mass–energy equivalence — E=MC2 redirects here. For other uses, see E=MC2 (disambiguation). 4 meter tall sculpture of Einstein s 1905 E = mc2 formula at the 2006 Walk of Ideas, Berlin, Germany In physics, mass–energy equivalence is the concept that the …
115urban planning — n. the study or profession dealing with the growth and functioning of cities and towns, including environmental concerns, zoning, the infrastructure, etc. urban planner n. * * * Programs pursued as a means of improving the urban environment and… …
116Scotland — /skot leuhnd/, n. a division of the United Kingdom in the N part of Great Britain. 5,205,000; 30,412 sq. mi. (78,772 sq. km). Cap.: Edinburgh. * * * I Northernmost country of the United Kingdom. Area: 30,421 sq mi (78,789 sq km). Population… …
117writing — /ruy ting/, n. 1. the act of a person or thing that writes. 2. written form: to commit one s thoughts to writing. 3. that which is written; characters or matter written with a pen or the like: His writing is illegible. 4. such characters or… …
118Egypt, ancient — Introduction civilization in northeastern Africa dating from the 3rd millennium BC. Its many achievements, preserved in its art and monuments, hold a fascination that continues to grow as archaeological finds expose its secrets. This article… …
119Latin America, history of — Introduction history of the region from the pre Columbian period and including colonization by the Spanish and Portuguese beginning in the 15th century, the 19th century wars of independence, and developments to the end of World War II.… …
120monopoly and competition — ▪ economics Introduction basic factors in the structure of economic markets.In economics monopoly and competition signify certain complex relations among firms in an industry. A monopoly implies an exclusive possession of a market by a… …
