العربية  

books can cement harden under water

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هل يمكن أن يتصلب الأسمنت تحت الماء (Info)


ﺗﺻﻠب اﻻﺳﻣﻧت ﺗﻧﺗﺞ ﻋن ﻋﻣﻠﯾﺔ اﻹﻣﺎھﺔ، وھﻲ اﻟﺗﻔﺎﻋل ﻣﻊ اﻟﻣﺎء وﺑﺎﻟﺗﺎﻟﻲ ﻓﺈن اﻹﺳﻣﻧت ﯾﺗﺻﻠب ﺗﺣت اﻟﻣﺎء