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Concertina wire — Concertinered razor wire Concertina wire or Dannert Wire[1] is a type of barbed wire or razor wire that is formed in large coils which can be expanded like a concertina. In conjunction with plain barbed wire and steel pickets, it is used to form… … Wikipedia
technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… … Universalium
Wire — For other uses, see Wire (disambiguation). Wires overhead A wire is a single, usually cylindrical, flexible strand or rod of metal. Wires are used to bear mechanical loads and to carry electricity and telecommunications signals. Wire is commonly… … Wikipedia
Timeline of historic inventions — The timeline of historic inventions is a chronological list of particularly important or significant technological inventions. Note: Dates for inventions are often controversial. Inventions are often invented by several inventors around the same… … Wikipedia
wire — I (New American Roget s College Thesaurus) n. (metal) thread, filament; flex, cord, line; telephone, telegraph, cable; cablegram, telegram. See communication. II (Roget s IV) n. 1. [A metal strand] Syn. line, electric wire, cable, aerial, circuit … English dictionary for students

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