أرسل هذا في رسالة قصيرة: Bore-center annular shaped charges with different liner materials penetrating into steel targets

 _    _      ___     ______      ___      ____    
| \  / ||   / _ \\  |      \\   / _ \\   |  _ \\  
|  \/  ||  | / \ || |  --  //  | / \ ||  | |_| || 
| .  . ||  | \_/ || |  --  \\  | \_/ ||  | .  //  
|_|\/|_||   \___//  |______//   \___//   |_|\_\\  
`-`  `-`    `---`   `------`    `---`    `-` --`