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Sara AWA
@khoda
In 1824 Joseph Aspdin invented Portland cement by burning finely ground chalk and clay until the carbon dioxide was removed. Aspdin named the cement after the high-quality building stones quarried in Portland, England. In the 19th Century concrete was used mainly for industrial buildings.
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Elina💎🎭🎩👑🍄
@elina88
Useful information 10 $DEGEN
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