core spring mounting
51RUSSIA — RUSSIA, former empire in Eastern Europe; from 1918 the Russian Soviet Federative Socialist Republic (R.S.F.S.R.), from 1923 the Union of Soviet Socialist Republics (U.S.S.R.); from 1990 the Russian Federation. Until 1772 ORIGINS The penetration… …
52International Space Station — ISS redirects here. For other uses, see ISS (disambiguation). International Space Station …
53Bay checkerspot butterfly — Taxobox name = Bay checkerspot butterfly status = LT status system = ESA status ref = regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Lepidoptera familia = Nymphalidae genus = Euphydryas species = E. editha subspecies = E. e.… …
54Christianity in Taiwan — Taiwan (traditional Chinese: 臺灣 or 台灣; simplified Chinese: 台湾; Tongyong Pinyin: Táiwan; Hanyu Pinyin: Táiwān; Wade–Giles: T ai² wan¹; Taiwanese: Tâi oân) (known to the Dutch as Formosa) was seized by the Dutch in 1624. It is a densely populated,… …
552011 Egyptian revolution — For other revolutions, see Egyptian revolution. 2011 Egyptian revolution Part of the Arab Spring …
56Argentina — /ahr jeuhn tee neuh/; Sp. /ahrdd hen tee nah/, n. a republic in S South America. 35,797,536; 1,084,120 sq. mi. (2,807,870 sq. km). Cap.: Buenos Aires. Also called the Argentine. Official name, Argentine Republic. * * * Argentina Introduction… …
57cañada — /keuhn yah deuh, yad euh/, n. Chiefly Western U.S. 1. a dry riverbed. 2. a small, deep canyon. [1840 50; < Sp, equiv. to cañ(a) CANE + ada n. suffix] * * * Canada Introduction Canada Background: A land of vast distances and rich natural resources …
58Canada — /kan euh deuh/, n. a nation in N North America: a member of the Commonwealth of Nations. 29,123,194; 3,690,410 sq. mi. (9,558,160 sq. km). Cap.: Ottawa. * * * Canada Introduction Canada Background: A land of vast distances and rich natural… …
59Falun Gong — The Falun Dafa emblem Traditional Chinese 法輪功 Simplified Chinese …
60History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… …
