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Free Online Concrete Courses
These free online concrete courses will teach you everything you need to know about how concrete is made and used to create the world we know today. Concrete is a composite composed of fine and coarse aggregate (like sand, gravel, stone, and slag) bonded together with fluid cement, and cured. Essential for construction work, concrete is used all over the world. Learn more on this page today!...âŠRead More
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