أرسل هذا في رسالة قصيرة: Further development of expert system for welding personnel qualification : ISO 9606-1

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