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Portland cement was invented by ___________(a) John Raymond(b) Joseph Aspdin(c) Charles Frank(d) James WatsonI have been asked this question by my school principal while I was bunking the class.The origin of the question is Plain and Reinforced in division Miscellaneous Materials, Plain and Reinforced Cement Concrete of Construction & Building Materials |
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Answer» Correct ANSWER is (b) Joseph Aspdin |
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