أرسل هذا في رسالة قصيرة: Household organic waste composting using bins with different types of passive aeration

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