Rudzi rwakavharwa coil chigadzirwa chepepa rinopisa resimbi, inopisa aluminium plated zinc plate, electrogalvanized sheet, nezvimwewo, mushure mekugadzirwa kwepamusoro (chemical degreasing uye chemical conversion treatment), yakaputirwa nedhiri kana akati wandei organic coating pamusoro, uye ndokubikwa ndokupora.Iine huremu huremu, chitarisiko chakanaka uye yakanaka corrosion resistance, uye inogona kugadziriswa zvakananga.