باب يصمم اطاره و جميع اجزاءه لمرور

باب يصمم اطاره و جميع اجزاءه لمرور الدخان او الغازات الساخنة او ألسنة اللهب عندما يكون مغلقًا

Results (English) 1:

Door frame designs and all its parts to the passage of smoke or hot gases or flames when shut.

Results (English) 2:

Door designed its framework and all its parts for the passage of smoke or hot gases or flames when it is closed

Results (English) 3:

Door designs its framework, and all parts of the passage of smoke or flames or hot gases when it is closed.