Yazisa: Xa kufikwa kwizixhobo eziguquguqukayo neziyimfuneko, alithandabuzeki elokuba i-titanium dioxide yikhompawundi efumana ingqwalasela enkulu. Le khompawundi ethile, eyaziwa ngokuba yi-TiO2, ayaziwa kuphela ngombala wayo omhlophe oqaqambileyo, kodwa nangoluhlu lwayo olubanzi lwezicelo ezijikeleze...
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