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Check out this concrete finishing technique I found, I simply spraying this chemical retardant on top of your newly poured slab a chemical reaction takes place and prohibits the top layer of your concrete from hardening. Allow your concrete to cure overnight it simply spray the retardant and the... show more

𝓜𝓐𝓖𝓐 𝕏 𝓣𝓘𝓜𝓔𝓢 𝓓𝓐𝓘𝓛𝓨 𝓝𝓔𝓦𝓢🇺🇸

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326,527 次观看 • 7 个月前 •via X (Twitter)

健康养生科学技术

Anya Rossi• Live Now

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