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Data

English[en]
Over the course of the 20th century the use of pozzolans as additions (the technical term is "supplementary cementitious material", usually abbreviated "SCM") to Portland cement concrete mixtures has become common practice.
Dutch[nl]
In de loop van de 20ste eeuw kwam het gebruik van puzzolanen als toeslagstof bij Portland cement betonmengsels in zwang.

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