Xa kuthelekiswa nolwakhiwo lwemizi-mveliso kwinsimbi engenasici, intsimbi yezonyango idinga ukugcina ukuxhathisa okugqwesileyo emzimbeni womntu, ukunciphisa i-ion zetsimbi, ukunyibilika, ukuphepha ukubola kwe-intergranular, i-corrosion yoxinzelelo kunye nemeko ye-corrosion yendawo, ukuthintela ukwaphuka okubangelwa kwizixhobo ezifakelweyo, qinisekisa ukuba ukhuseleko lwezixhobo ezifakelweyo.