أرسل هذا في رسالة قصيرة: Mechanism investigation and process monitoring of electrical discharge machining

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