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  • 61Electroplating — is the process of using electrical current to reduce cations of a desired material from a solution and coat a conductive object with a thin layer of the material, such as a metal. Electroplating is primarily used for depositing a layer of… …

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  • 62Invention of the telephone — The modern telephone is the result of work done by many people, all worthy of recognition of their contributions to the field. Alexander Graham Bell was the first to patent the telephone, an apparatus for transmitting vocal or other sounds… …

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  • 63United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …

    Universalium

  • 64industrial glass — Introduction       solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …

    Universalium

  • 65Tamara Braun — Infobox Actor imagesize = 150px bgcolour= name =Tamara Braun birthdate =birth date and age|1971|04|18 location = Evanston, Illinois, U.S. birthname = spouse = miscellaneous awards Won: Best Actress Honolulu Interncational Film Awards 2008 Little… …

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  • 66Neil Mathieson — Born 1823 Campbeltown, Argyll and Bute, Scotland Nationality Scottish Occupation Chemist, businessman Spouse Mary Train, Mary Ann Brundrit …

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  • 676LoWPAN — est l acronyme de IPv6 Low power Wireless Personal Area Networks[note 1] ou IPv6 LoW Power wireless Area Networks[note 2]. C est également le nom d un groupe de travail de l IETF. Le groupe 6LoWPAN a défini les mécanismes d encapsulation et de… …

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  • 68Hydroxide — Lewis structure of the hydroxide ion showing three lone pairs on the oxygen atom …

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  • 69Sulfuric acid — Sulfuric acid …

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  • 70Die casting — An engine block with aluminium and magnesium die castings. Die casting is a metal casting process that is characterized by forcing molten metal under high pressure into a mold cavity. The mold cavity is created using two hardened tool steel dies… …

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