Chigayo chamadzi cha diamondi ndi choyenera pa nthaka yonse yomwe muli zinthu za simenti, monga simenti, Silicon carbide, terrazzo nthaka, koma osati yoyenera kuyika miyala ya granite, marble, miyala yopangira mitundu yonse ya nthaka, kukonza masitepe ndi kukonzanso.Apa ndikuwulula njira zogwirira ntchito ...
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