N'chifukwa chiyani anthu amagwiritsa ntchito miyala?
1.Madzi komanso antifouling
Mayamwidwe amadzi a rock slab top ndi ochepera 0.02%.Izi zikutanthauza kuyeretsa kosavuta.
Kuphatikiza pa mawonekedwe osakhala a porous, pamwamba pa rock slab imakhalanso ndi madontho.Ngakhale pamwamba pa thanthwe si umboni 100% banga, ndi pafupi kwambiri.Kuphatikiza apo, mosiyana ndi miyala ina yaumisiri, miyala yamwala ndi yoyenera kugwiritsidwa ntchito panja.Chifukwa chake, mutha kukhazikitsa kupitilizabe m'malo ogwiritsira ntchito panja ndi m'nyumba.