Official Answer
Answer
Lalacewa mai jujjuyawa yana bayyana azaman ja-launin ruwan kasa (na karfe) ko baki (na bakin) tarkace a kusa da wuraren tuntuɓar igiyoyin igiyar ruwa. Yana faruwa ne ta hanyar ƙaramar motsin oscillatory mai girma tsakanin bazara da saman mating. Wannan motsi yana kawar da Layer oxide mai kariya, yana haifar da ci gaba da oxidation da lalacewa. A cikin masu kunna sararin samaniya, wannan na iya haifar da taron 'daskararre'. Maganin shine ƙara ɗaukar nauyi don dakatar da motsi ko kuma sanya ruwan bazara tare da layya ko mai mai kamar Azurfa ko Cadmium (inda an yarda).
