mass wear rate
51Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …
52performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical. The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …
53Paintball marker — A paintball marker, also known as a paintball gun, is the central or main piece of equipment in the sport of paintball. Markers make use of an expanding gas such as carbon dioxide, compressed air or nitrogen dioxide to propel paintballs through… …
54Ecuador — Ecuadoran, Ecuadorean, Ecuadorian, adj., n. /ek weuh dawr /, n. a republic in NW South America. 11,690,535; 109,483 sq. mi. (283,561 sq. km). Cap.: Quito. * * * Ecuador Introduction Ecuador Background: The Republic of the Equator was one of three …
55Madagascar — Madagascan, n., adj. /mad euh gas keuhr/, n. an island republic in the Indian Ocean, about 240 mi. (385 km) off the SE coast of Africa: formerly a French colony; gained independence 1960. 14,061,627; 227,800 sq. mi. (590,000 sq. km). Cap.:… …
56Hot air balloon — This article is about hot air balloons themselves. For the associated activity, see hot air ballooning. For the rock opera, see Hot Air Balloon (rock opera). For the song, see Hot Air Balloon (song). Hot air balloon in flight …
57Disc brake — Close up of a disc brake on a car On automobiles, disc brakes are often located with …
58E85 in standard engines — ExperimentalE85 has an octane rating of 105, which is higher than typical commercial gasoline mixtures (octane ratings of 85 to 98); however, it does not burn as efficiently in traditionally manufactured internal combustion engines. Additionally …
59List of United States Marine Corps acronyms and expressions — This is a list of acronyms, expressions, euphemisms, jargon, military slang, and sayings in common or formerly common use in the United States Marine Corps. Many of the words or phrases have varying levels of acceptance among different units or… …
60GERMANY — GERMANY, country in north central Europe. The Talmud and the Midrash use Germania (or Germamia ) as a designation for northern European countries, and also refer to the military prowess of these peoples and to the threat they posed to the Roman… …
