Question

how cement is made?
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Answer 1

Answer:

Cement is manufactured by heating a mixture of limestone, clay and sand to temperatures reaching 1450ºC.

Answer 2

Explanation:

cement is manufactured by heating a precise mixture of finely ground lime stone,clay and sand in a rotating kiln to temperature reaches 1450 degree celsicus. This results in the production of cement clinker, an intermediate product in the manufacture of cement.