أرسل هذا في رسالة قصيرة: DESIGN AND EVALUATION OF A MACHINE TOOL COLUMN MADE OF CEMENTITIOUS COMPOSITES

  _____    __   __   _    _    _    _             
 / ____||  \ \\/ // | |  | || | || | ||   ____    
/ //---`'   \ ` //  | |/\| || | || | ||  |    \\  
\ \\___      | ||   |  /\  || | \\_/ ||  | [] ||  
 \_____||    |_||   |_// \_||  \____//   |  __//  
  `----`     `-`'   `-`   `-`   `---`    |_|`-`   
                                         `-`