Describir: Inteeractions technologiques

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|  __ \\   /_   _//  / ____||   / _ \\      ___   | || | ||   / ___// 
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| |__/ ||   _| ||_  \ \\___   |  ___  ||  | [] || | \\_/ ||   /    // 
|_____//   /_____//  \_____|| |_||  |_||   \__ ||  \____//   /____//  
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