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Such replacements are relevant for reasons that , as compared to concretes made from Portland cement , include : Thus , by virtue of the replacement of Portland cement with EMC Cements , resultant concretes can have the same — if not improved — physical characteristics as " normal " concretes , yet , at a fraction of carbon dioxide , water and energy costs .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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