Kuvapo kwe zinc layer kwaunza zvimwe zvinonetsa pakubatisa simbi yegalvanized.Matambudziko makuru ndeaya: kuwedzera kwekunzwa kwekuputira kuputika uye pores, zinc evaporation uye utsi, oxide slag kuisirwa, uye kunyungudika uye kukuvara kwe zinc coating.Pakati pavo, welding crack, mhepo ...
Verenga zvimwe