Easier work Incubator 12 volts running on batteries (the second episode ) small, practical and at the lowest costs.
فيس بوك
https://www.facebook.com/profile.php?id=100067209045678
طريقة عمل قلاب نصف اوتوماتك
https://www.youtube.com/watch?v=G0uPz2wA198
الحلقة الاولى
https://youtu.be/YXvC9oRzSqM