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EGGSHELL POWDER MORTAR
Scientists who tested eggshells as cement substitute found an unexpected result: Adding 10% processed eggshell powder made mortar stronger, but increasing it further had opposite effectResearchers have found a potential use for discarded eggshells by processing them into powder and using it as a partial replacement for cem...- Eggshells are not kitchen waste. How gardeners use them to help plants thriveInstead of throwing eggshells away, gardeners can reuse them to support healthier plants and reduce kitchen waste. Made up of about 95% cal...
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