أرسل هذا في رسالة قصيرة: Material and structural behaviour of steel and concrete structures at elevated temperatures

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