أرسل هذا في رسالة قصيرة: Handbook of Reliability, Availability, Maintainability and Safety in Engineering Design

  _  _    _    _     ______   _    _     _  _   
 | \| || | || | ||  /_   _// | || | ||  | \| || 
 |  ' || | || | ||  `-| |,-  | || | ||  |  ' || 
 | .  || | \\_/ ||    | ||   | \\_/ ||  | .  || 
 |_|\_||  \____//     |_||    \____//   |_|\_|| 
 `-` -`    `---`      `-`'     `---`    `-` -`