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Chapter 60: Construction plans
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Chapter 62: Meenakshi
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... land cement, emerged in the 19th century. It's a type of hydraulic cement that hardens through a chemical reaction with water. Primarily composed of limestone, clay, and gypsum, it starts with limestone, which is quarried, crushed, and heated in a kiln, a oven like structure to produce clinker.
Simultaneously, clay is heated in a separate kiln to form metakaolin. These materials are then ground into a fine powder in a ratio of 70% clinker to 30% metakaolin and mixed precisely. Gypsum is ...
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