Electrogalvanizing ndi hot-dip galvanizing ndi njira ziwiri zomwe zimagwiritsidwa ntchito popaka utoto woteteza zinki pazitsulo kapena chitsulo. Njira iliyonse ili ndi mawonekedwe ake, ubwino wake, ndi ntchito zake. Kuthira madzi otentha nthawi zambiri kumakhala kotsika mtengo pazinthu zazikulu komanso zolemera, pomwe magetsi opangira magetsi amatha kukhala otsika mtengo pazinthu zing'onozing'ono, zopepuka, kapena zovuta kwambiri. Njira zonsezi zimakhala ndi malingaliro a chilengedwe, monga kugwiritsa ntchito mankhwala ndi mphamvu. Posankha pakati pa njira ziwirizi, chigamulocho nthawi zambiri chimadalira zofunikira za ntchitoyo, kuphatikizapo malo omwe chinthu chokutidwa chidzagwiritsidwa ntchito, maonekedwe ofunidwa, ndi bajeti.