1. Txawv xim sib txawv.
Cov yeeb dub dub yog ua los ntawm cov hlau tsis zoo li cov yeeb nkab galvanized. Qhov txawv yog tias cov yeeb nkab galvanized yog coated nrog zinc, thaum cov yeeb nkab dub tsis yog.
2. Txawv Corrosion tsis kam
Cov yeeb nkab dub yog cov teeb pom kev zoo thiab tsuas yog kev tiv thaiv liab qab. Cov yeeb nkab dub yuav xeb nraum zoov. Cov yeeb nkab galvanized yuav tsuas yog xeb txhua.
3. Cov nqi sib txawv.
Cov yeeb dub dub yog pheej yig dua li cov yeeb nkab galvanized vim tias cov zinc uas tau ntxiv rau cov yeeb nkab galvanized.
4. Daim ntawv thov sib txawv
Cov yeeb nkab dub yog qhov zoo tshaj plaws rau roj kab, tsis yog rau cov kav dej vim tias nws xeb tau yooj yim, thaum galvanized tsis tuaj yeem siv rau cov roj av vim tias cov zinc tuaj yeem txhaws cov kab thaum nws pib txhuam, cov yeeb nkab galvanized yog cov yeeb nkab muaj kev nyab xeeb kom siv hauv cov kab dej Cov.
