Formaldehyde-free fixing agent, imathandizira kwambiri kufulumira kwa utoto wa utoto wachindunji ndi utoto wokhazikika (monga kunyowa mwachangu, kuchapa, kufulumira kwa thukuta ndi kutsekemera konyowa, etc.), makamaka oyenera nsalu zowoneka bwino zofiira ndi zakuda. 23121
