plow point
21Tractor — This article is about a vehicle used in agriculture or construction. For the power unit of a semi trailer truck (articulated lorry), see tractor unit. For other uses, see Tractor (disambiguation) …
22AGRICULTURAL LAND-MANAGEMENT METHODS AND IMPLEMENTS IN ANCIENT EREẒ ISRAEL — Ereẓ Israel is a small country with a topographically fragmented territory, each geographical region having a distinctive character of its own. These regions include: the coastal plain, the lowlands, the hilly country, the inland valleys, the… …
23coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …
24work, history of the organization of — Introduction history of the methods by which society structures the activities and labour necessary to its survival. work is essential in providing the basic physical needs of food, clothing, and shelter. But work involves more than the use …
25Conduit current collection — Abandoned conduit trackage at the Kingsway Tramway Subway in London Conduit current collection is a system of electric current collection used by electric trams, where the power supply is carried in a channel under the roadway, rather than… …
26Dynamic Markov compression — (DMC) is a lossless data compression algorithm developed by Gordon Cormack and Nigel Horspool [1]. It uses predictive arithmetic coding similar to prediction by partial matching (PPM), except that the input is predicted one bit at a time (rather… …
27India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …
28Laryngeal theory — The laryngeal theory is a generally accepted theory of historical linguistics which proposes the existence of a set of three (or more) consonant sounds that appear in most current reconstructions of the Proto Indo European language (PIE). These… …
29List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
30Chattahoochee River — Coordinates: 30°42′32″N 84°51′50″W / 30.70889°N 84.86389°W / 30.70889; 84.86389 …
