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  ____     |  ___|| \ \\ / //  \ \\/ //  /_   _// 
 |    \\   | ||__    \ \/ //    \ ` //     | ||   
 | [] ||   | ||__     \  //      | ||     _| ||   
 |  __//   |_____||    \//       |_||    /__//    
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發送短信 : Web-based model for enhancing communication in construction