Interesting

Long Before Trees Overtook the Land, Earth Was Covered by Giant Mushrooms

From around 420 to 350 million years ago, when land plants were still the relatively new kids on the evolutionary b…

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Ebooks

Concrete Technology By A.M Neville & J.J Brooks 2th Edition

Concrete is a composite construction material. It is composed of cement and other cementitious materials such as …

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