gosh I guess I had a lot to say about concretepic.twitter.com/JjNCejUnpy
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Missed chance at a John Wick reference there in sentence 1.
Limestone is calcium carbonate?
Very funny. IIRC you call the entire operation a "pour", but the actual act is indeed "placing".
You might consider a script to replace hyphens with dashes appropriately in the final document. https://www.grammarly.com/blog/dash/
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