Zininzi iipropathi ezintle ezifumaneka kwimveliso efanayo ngenxa yemveliso engcono yephepha. La ngamandla aphezulu e-subile, ukuchaneka okuhle, ukugqiba komgangatho, ukuguquguquka kunye nokuqina, ukuxabana kwemithwalo enzima, ukwakhiwa okuqinileyo kunye nokunganyangeki. Ukuxhathisa kwi-Sorisosion, uxinzelelo loxinzelelo lwe-Corrosion, i-Crevice yoCravice I-Oxidation \ / ukubeka i-oxidation \ / ukubekwa kukungasebenzi kuya kwenza ukuba ilungele izixhobo ezahlukeneyo.