trough belt
71History of perpetual motion machines — The history of perpetual motion machines dates back to the Middle Ages. For millennia, it was not clear whether perpetual motion devices were possible or not, but the development of modern thermodynamics has indicated that they are impossible.… …
72Tropical cyclone — Hurricane redirects here. For other uses, see Hurricane (disambiguation). Hurricane Isabel (2003) as seen from orbit during Expedition 7 of the International Space Station. The eye, eyewall and surrounding rainbands that are characteristics of… …
73grain elevator — elevator (def. 4). [1850 55] * * * Storage building for grain, usually a tall frame, metal, or concrete structure with a compartmented interior; also, the device for loading grain into a building. One common mechanism consists of a hopper, a long …
74Shensi — /shen see /; Chin. /shun shee /, n. Older Spelling. Shaanxi. * * * ▪ province, China Introduction Chinese (Wade Giles) Shen hsi, (Pinyin) Shaanxi, sheng ( …
75Ouachita Geosyncline — ▪ geology a linear trough in the Earth s crust in which rocks of the Paleozoic Era (from 251,000,000 to 542,000,000 years ago) were deposited along the southern margin of North America, from Mississippi to eastern Mexico. Most of the belt… …
76Coal breaker — A coal breaking plant, depicted on a postcard in 1907. A coal breaker was a coal processing plant which broke coal into various useful sizes. Coal breakers also removed impurities from the coal (typically slate) and deposited them into a culm… …
77India — /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.… …
78Geography of Nigeria — Satellite image of Nigeria Nigeria is a country in West Africa. Nigeria shares land borders with the Republic of Benin in the west, Chad and Cameroon in the east, and Niger in the north. Its coast lies on the Gulf of Guinea in the south and it… …
79Cold seep — Marine habitats Tube worms are among the dominant species in one of four cold seep community types in the Gulf of Mexico. Littoral zone …
80Wet season — A wet season or rainy season is a season in which the average rainfall in a region is significantly increased. The term green season is also sometimes used as a euphemism by tourist authorities.These terms are commonly used describing the weather …
