Dhuumaha birta galvanized waa tuubooyinka birta alxanka leh oo leh lakabyo galvanized kulul oo dusha sare ah.Cabirka caanka ah 2inch, 3inch, 4inch.Galvanizing waxay kordhin kartaa caabbinta daxalka ee tuubada birta waxayna sii dheerayn kartaa nolosha adeeggeeda.Dhuumaha galvanized ayaa leh adeegsi aad u kala duwan.Marka laga soo tago tuubooyinka khadka ee biyaha, gaaska, saliidda iyo dareerayaasha kale ee cadaadiska hooseeya, waxa kale oo loo isticmaalaa sida tuubooyinka ceelasha saliidda ee warshadaha batroolka, gaar ahaan meelaha saliidda ee xeebaha, iyo kuleyliyeyaasha saliidda iyo qaboojiyeyaasha qaboojiyaha ee qalabka kiimikada., Dhuxul dhuxusha dhaq tuubooyinka beddelka saliidda, iyo sidoo kale tusin tuubooyinka trestle, tuubooyinka jir taageero tunnel miinada iyo tuubooyinka birta qaab dhismeedka, iwm.