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... read it wrong .
「The stones used to construct the wall in this building uses something to bind the stones right?」(Kazura)
I am sorry for the reader who use reader (I’m confused here)
「Yes, it’s used a mixture of gypsum and sand as the mortar . Gypsum is also used to set small stones and bricks . 」(Isaac)
I am sorry for the inconvenience…
「(Gypsum…… Ah, it’s that plasterboard[1] that I often heard used as construction materials . The Home Center ...
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