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| | Concertina wire -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-18) |
 | | Each coil actually consists of two oppositely wound (Click link for more info and facts about helices) helices which support each other against crushing whilst allowing easy longitudinal movement. |
 | | In conjunction with plain barbed wire and steel pickets, it is used to form (The military forces of a nation) military (Click link for more info and facts about wire obstacle) wire obstacles. |
 | | During (A war between the allies (Russia, France, British Empire, Italy, United States, Japan, Rumania, Serbia, Belgium, Greece, Portugal, Montenegro) and the central powers (Germany, Austria-Hungary, Turkey, Bulgaria) from 1914 to 1918) World War I soldiers manufactured concertina wire themselves, using ordinary barbed wire. |
| www.absoluteastronomy.com /encyclopedia/C/Co/Concertina_wire.htm (195 words) |
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