Matsayi ci gaba da electrolytic etching na'ura, a matsayi na bakin karfe, aluminum da kuma aluminum gami, karfe da sauran karfe kayan tafi-tafi ko band, kwatanta da gargajiya baƙin ƙarfe trichloride sinadarai etching na'ura, kawar da gurɓataccen baƙin ƙarfe trichloride da sauran sinadarai etching ruwa, muhalli tsabtace shi ne m m maki; Ingancin aiki da tasiri ya fi fari fiye da na gargajiya sinadarai; The processing kudin ne ƙasa fiye da gargajiya sinadarai.