aircraft productivity
41Human factors — For other uses, see The Human Factor (disambiguation). Research subject in a human fatigue study. Human factors science or human factors technologies is a multidisciplinary field incorporating contributions from psychology, engineering,… …
42China — This article is about the People s Republic of China. For the state commonly known as Taiwan, see the Republic of China. For other uses, see China (disambiguation). PRC redirects here. For other uses, see PRC (disambiguation). People …
43United States — This article is about the United States of America. For other uses of terms redirecting here, see US (disambiguation), USA (disambiguation), and United States (disambiguation). United States of America …
44language — /lang gwij/, n. 1. a body of words and the systems for their use common to a people who are of the same community or nation, the same geographical area, or the same cultural tradition: the two languages of Belgium; a Bantu language; the French… …
45pollution — /peuh looh sheuhn/, n. 1. the act of polluting or the state of being polluted. 2. the introduction of harmful substances or products into the environment: air pollution. [1350 1400; ME pollucioun ( < OF) < LL pollution , s. of pollutio… …
46Ergonomics — Ergonomics: the science of designing user interaction with equipment and workplaces to fit the user. Ergonomics is the study of designing equipment and devices that fit the human body, its movements, and its cognitive abilities. The International …
47insurance — /in shoor euhns, sherr /, n. 1. the act, system, or business of insuring property, life, one s person, etc., against loss or harm arising in specified contingencies, as fire, accident, death, disablement, or the like, in consideration of a… …
48Social development theory — In sociology, social development theory attempts to explain qualitative changes in the structure and framework of society, that help the society to better realize its aims and objectives. Development can be broadly defined in a manner applicable… …
49Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …
50People's Republic of China — Infobox Country native name = zh. 中华人民共和国 (Simplified Chinese characters) zh. 中華人民共和國 (Traditional Chinese characters) Zhōnghuá Rénmín Gònghéguó conventional long name = People s Republic of China common name = People s Republic of China symbol… …
