أرسل هذا في رسالة قصيرة: Stabilization and solidification of metal sludges

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