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  ______    ______    _____     _____     _____   
 /_____//  /_   _//  /  ___||  |  ___||  /  ___|| 
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 `__ `     /_____//  \____//   |_____||  \____//  
 /_//      `-----`    `---`    `-----`    `---`   
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發送短信 : Making geopolymer a temperature sensor