Ob sab yog ua los ntawm 304 SS rau kev ruaj khov lossis txav tau.Cov saw hlau tig thiab txau, thiab cov tav tsis ua haujlwm nrog kev sib hloov ntawm cov saw hlau.Nws yog qhov tsim nyog rau kev xa cov ntaub ntawv nrog dej, cov ntaub ntawv oily, thiab cov ntaub ntawv alkaline uas yooj yim corroded.Fried zaub mov, thiab lwm yam. Cov khoom yog thauj obliquely los ntawm qhov chaw qis mus rau qhov chaw xav tau.