The roofs with the a few products were being made as follows. Roof I was constructed the standard Egyptian strategy for construction, e.g. 30mm cement tiles on the very best, 70mm cement mortar and sand, and 100mm thick bolstered concrete. This roof was investigated as follows: Этот сайт использует файлы http://go.bubbl.us/b1038a/d419?/New-Mind-Map