發送短信 : Design and development of a solar energy system for use in home

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