balancing of a mechanism
51climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
52motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …
53Steam engine — A steam engine is a heat engine that performs mechanical work using steam as its working fluid. [ [http://www.britannica.com/EBchecked/topic/564472/steam engine steam engine Britannica Online Encyclopedia ] ] Steam engines have a long history,… …
54Laughter — For other uses, see Laughter (disambiguation). Laugh redirects here. For other uses, see Laugh (disambiguation). Snicker redirects here. For other uses, see Snickers (disambiguation). A man laughing Laughing is a reaction to certain stimuli,… …
55Burroughs large systems — The Burroughs large systems were the largest of three series of Burroughs Corporation mainframe computers. Founded in the 1880s, Burroughs was the oldest continuously operating entity in computing, but by the late 1950s its computing equipment… …
56blood disease — Introduction any disease of the blood, involving the red blood cells (erythrocytes (erythrocyte)), white blood cells (leukocytes (leukocyte)), or platelets (platelet) (thrombocytes) or the tissues in which these elements are formed the bone …
57Business ethics — For the episode from the American television series The Office, see Business Ethics (The Office). Business ethics (also corporate ethics) is a form of applied ethics or professional ethics that examines ethical principles and moral or ethical… …
58MX record — A mail exchanger record (MX record) is a type of resource record in the Domain Name System that specifies a mail server responsible for accepting email messages on behalf of a recipient s domain and a preference value used to prioritize mail… …
59International relations — See also: Foreign affairs Part of the Politics series Politics …
60Animal testing — A white Wistar lab rat Description Around 50–100 million vertebrate animals are used in experiments annually. Subjects Animal testing, scien …
