why green colour formation on the surface of concrete and
plastered surface takes place after curing?
Answer Posted / s p sharma
Due to presence of traces of calcium sulphate in the cement
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how much concrete solid/hollow block are manufacture per 50 kg cement bag in differnent sizes like 400x200x200mm, 400x200x150mm, 400x200x100mm. And need proper ratio as per sale quantity. pls send my mail mathi7599@gmail.com searching last two years not yet get pls find and enclosed pls. need practical analysis.
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