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In general terms, the word cement refers to any kind of binder that tightly holds other materials together. Concrete, on the other hand, is a mixture of materials like sand, gravel, and small rocks combined with any type of cement and water. The concoction is then allowed to dry and harden. Basically, concrete is the stone-like structure formed after cement and other materials are mixed together. The cement is just a part of the recipe.
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