??? ?? ??????? ????? ??? ????????. ?????????? ????? ? ??????? ??? ???????? ???? ?? ?????????? ??????????? ?????? ????: ??? ?? ??????? ????? ??? ????????.So simply just speaking, the blue spot means the rusting has currently taken position/ the rust is formed . And the pink location suggests it'll form rust (coz hydroxide ions are produced ahead of … Read More