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| || | ||  \ \\/ // | |  | ||  \ \\/ //  \ \\/ // 
| '--' ||   \ ` //  | |/\| ||   \ ` //    \   //  
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`-`  `-`     `-`'   `-`   `-`    `-`'    `-`  --`

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Text this: Design of interdigital transducers for crack detection in plates