Nkhaniyi ili ndi zabwino zambiri:
1.Kukhala ndi machitidwe abwino amakina, mphamvu zokhuza ndi 3 ~ 5 nthawi kuposa mafilimu ena ndipo kukana kopinda ndikwabwino.
2.Oil kugonjetsedwa, mafuta kugonjetsedwa, kuchepetsa asidi, kuchepetsa alkali, ndi zosungunulira zambiri
3.Kuwonekera kwapamwamba, kungathe kuletsa UV, gloss yabwino.