Text this: Installation stress in prefabricated vertical drains

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