أرسل هذا في رسالة قصيرة: Performance of Pile Groups Subjected to Surface Explosion

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