أرسل هذا في رسالة قصيرة: Rutting characteristics rolling-compacted open-graded friction courses

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