الفهرس 
الرموز والمصطلحات المستخدمة فى البحثيوجد فقط 14 صفحة متاحة للعرض العام
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المستخلص
The absence of appropriate thermal control measures in modern buldings exemplifies itself not only in the wide use of light building materials but also in the use of large areas of glass in windows. Form a climatic, and particulary from a thermal point of view, Such a treatment weakens the external envelope of buildings and makes it easy to penetrate.