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
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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