https://www.youtube.com/watch?v=nThsFGa1vuE
https://www.youtube.com/watch?v=gcCkGiaWN-I
https://www.youtube.com/watch?v=tdldWequ4t4
https://www.youtube.com/watch?v=t7wBLjFh_Fg
https://www.youtube.com/watch?v=5Z5KgvojAlA
ازاى اخد وش هواء من سائل التبريد
https://www.youtube.com/watch?v=owQcxSrKARA