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  _____    __   __    ______    _____      _____  
 /  ___||  \ \\/ //  /_   _//  |  ___||   / ___// 
| // __     \ ` //   `-| |,-   | ||__     \___ \\ 
| \\_\ ||    | ||      | ||    | ||__     /    // 
 \____//     |_||      |_||    |_____||  /____//  
  `---`      `-`'      `-`'    `-----`  `-----`

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Text this: Corrosion of tubes used in thermosyphon heat exchanger for waste heat recovery system: A case of internal surface