Kodi dry mortar mu chemistry ndi chiyani? Dry mortar ndi mtundu wa zida zomangira zomwe zimagwiritsidwa ntchito pomanga ndi kusindikiza zida zomangira monga njerwa, midadada, ndi miyala. Ndi chisakanizo cha simenti, mchenga, ndi zowonjezera zina, ndipo amagwiritsidwa ntchito ngati chomangira kuti agwirizanitse zigawozo pamodzi. Dry mortor amagwiritsidwa ntchito mu ...
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