Euro pa faia i le uliuli annealed uaea po galvanized uaea, lelei ueloina luga o soʻoga soofaatasi, PVC, PE po o le efuefu ufiufi luga o le sulfide togafitiga, ma lelei pipiʻi, aneti-corrosion ma isi O le luga togafitiga mafai foi ona avea eletise galvanized, vevela fufui galvanized.
Mea: Maualalo uʻamea uʻamea, uaea Galvanized, uaea coated PVC
Gaosi: vevela fufui uaea galvanized po o uaea Coated PVC.