Portland Cement: Difference between revisions
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Named after portland stone of England. | |||
https://www.britannica.com/technology/cement-building-material/The-major-cements-composition-and-properties | https://www.britannica.com/technology/cement-building-material/The-major-cements-composition-and-properties | ||
Latest revision as of 05:49, 5 December 2023
Named after portland stone of England.