Momwe mungathetsere kulephera kwa chingwe chachitetezo cha dzimbiri

galvanic corrosion kapena kusalowerera ndale kwa nthaka, mankhwala amadzimadzi osokera pansi pa nthaka kulephera kwakusanjika kwa chitetezo kungawononge chitetezo cha kutchinjiriza.Njira yothetsera vutoli ndikuyika zida zotulutsira madzi m'malo osokera;pamene nthaka ya m'deralo pa mzere wa chingwe imakhala ndi mankhwala owononga chingwe chotsogolera phukusi, iyenera kuikidwa mkati mwa chubu, ndipo iyeneranso kugwiritsa ntchito nthaka yopanda ndale monga chingwe ndi chivundikiro cha chingwe, komanso kufalitsa phula pa chingwe.