Cacat galvanized hot-dip: off, scratch, passivation plak, tablet séng, sisi kandel, tanda tina péso hawa, goresan péso hawa, baja kakeunaan, inclusions, karuksakan mékanis, kinerja goréng substrat baja, ujung gelombang, buckling. , Ukuran substandard, embossing, lapisan séng thickn ...
Maca deui