Give the main constituents of portland cement ?
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Portland cement consists essentially of compounds of lime CaO mixed with silicon dioxide, SiO2 and aluminum oxide, Al2O3
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The Constituent Assembly of India, consisting of indirectly elected representatives, was established to draft a constitution for India (including the now-separate countries of Pakistan and Bangladesh). It existed for approx. three years, the first parliament of India after independence in 1947.
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