Ilana etching gbigbẹ nigbagbogbo ni awọn ipinlẹ ipilẹ mẹrin: ṣaaju etching, etching apa kan, etching kan, ati lori etching. Awọn abuda akọkọ jẹ oṣuwọn etching, yiyan, iwọn to ṣe pataki, iṣọkan, ati wiwa aaye ipari. Aworan 1 Ṣaaju ki o to etching Figure 2 Apa kan etching Figur...
Ka siwaju