Ndi chitukuko cha zida zomangira, zokutira, mapulasitiki, inki ndi minda ina yakumunsi ya pigment, kufunikira kwa msika wa pigment kukuchulukirachulukira, ndipo msika wapadziko lonse wa pigment ukukula mwachangu.Posankha inki mu zokutira, inki, zomangamanga, zikopa ...
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