أرسل هذا في رسالة قصيرة: FABRICATION AND CHARACTERISATION OF CRYSTALLINE SILICON WAFER SOLAR CELLS FOR TANDEM APPLICATIONS

  ______    _____    _    _      ___      ______  
 /_   _//  |  ___|| | |  | ||   / _ \\   /_   _// 
   | ||    | ||__   | |/\| ||  / //\ \\  `-| |,-  
  _| ||    | ||__   |  /\  || |  ___  ||   | ||   
 /__//     |_____|| |_// \_|| |_||  |_||   |_||   
 `--`      `-----`  `-`   `-` `-`   `-`    `-`'