A tarihi, hanyar ragewa, ko tsarin etching, an samo asali ne daga baya, amma a yau an fi amfani da ita.Dole ne maƙallan ya ƙunshi Layer na ƙarfe, kuma lokacin da aka cire sassan da ba'a so duk abin da ya rage shine tsarin jagora.Ta hanyar bugu ko ɗaukar hoto duk jan ƙarfe da aka fallasa shine zaɓi ...
Kara karantawa