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American Wire Gauge ( AWG) is a logarithmic stepped standardized wire gauge system used since 1857, predominantly in North America, for the diameters of round, solid, nonferrous, electrically conducting wire. Dimensions of the wires are given in ASTM standard B 258. [1] The cross-sectional area of each gauge is an important factor for ...
In commerce, the sizes of wire are estimated by devices, also called gauges, which consist of plates of circular or oblong form having notches of different widths around their edges to receive wire and sheet metals of different thicknesses. Each notch is stamped with a number, and the wire or sheet, which just fits a given notch, is stated to ...
The Janka hardness test ( English: / ˈdʒæŋkə /; [ 1] German: [ˈjaŋka] ), created by Austrian-born American researcher Gabriel Janka (1864–1932), measures the resistance of a sample of wood to denting and wear. [citation needed] It measures the force required to embed an 11.28-millimeter-diameter ( 7⁄16 in) steel ball halfway into a ...
American conservatism is best characterized as a reaction against utopian ideas of progress [94] and European political philosophy from before the end of World War II. [95] Russell Kirk saw the American Revolution itself as "a conservative reaction, in the English political tradition, against royal innovation". [96] [undue weight? – discuss]
A map of North America's physical, political, and population characteristics as of 2018. North America is a continent [b] in the Northern and Western Hemispheres. [c] North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Caribbean Sea, and to the west and south by the Pacific Ocean.
American Airlines is a founding member of the Oneworld alliance. Regional service is operated by independent and subsidiary carriers under the brand name American Eagle. [9] American Airlines and American Eagle operate out of 10 hubs, with Dallas/Fort Worth International Airport (DFW) being its largest. The airline handles more than 200 million ...
IEC 60228 is the International Electrotechnical Commission (IEC)'s international standard on conductors of insulated cables. As of 2023 the current version is Third Edition 2004-11 [ 1] Among other things, it defines a set of standard wire cross-sectional areas: 0.5 mm 2. 0.75 mm 2. 1 mm 2. 1.5 mm 2.
1 R-value (ft 2 ⋅°F⋅h/Btu) ≈ 0.1761 R SI (K⋅m 2 /W) Various combination units are in common use; these are straightforwardly defined based on the above basic units. Sizing systems are used for various items in commerce, several of which are U.S.-specific: US standard clothing size; American wire gauge is used for most metal wire.