Ihe osise (nkpuchi ojii)
Abrasive akwa na-ehicha ígwè ọkpọkọ iji wepụ nchara, ahịhịa mgbochi mgbochi nchara primer na-eche ka agba nkụ ndammana, brushing mbụ mgbochi nchara topcoat , mgbe eke akọrọ ， brushing mgbochi nchara topcoat ọzọ.