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a mixture of stone aggregates, sand, Portland cement, and water that hardens as it dries


a metal or wooden structure that contains concrete until it hardens


anything made of brick, stone, tile, or concrete units held in place by masonry cement


Ratio of materials in concrete or mortar


mixture of Portland cement, finishing lime, and sand

Portland Cement

a dry powder made by burning limestone and clay followed by grinding and mixing


proportion of one component to another by weight or volume

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