ISO Pipa feavea'i fa'ai'uga tapuni tapuni

ISO faasologa paipa beveling masini e masani lava ona faaaogaina mo le mamafa o le paipa beveling ao lei ueloina meafaigaluega faapitoa, motu afi afi mo nisi nofoaga avanoa galuega e faatapulaaina le tausiga o pipeline, toe faaleleia uiga o le aofaiga tele o le mamanu ma le gaosiga o meafaigaluega ituaiga faapitoa.