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As cracks kind while in the concrete they preferentially pass through the structurally weaker lime clasts, fracturing them. When drinking water enters these cracks it generates a calcium-saturated Option which might recrystallize as calcium carbonate, immediately filling the crack. [22] Nếu có tiền sử bị dị ứng, bạn nên https://robertu641jqy6.ourabilitywiki.com/user

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