Ok. Ok, what do you usually see when, You go for emm. you can use it to wash your pot to make it clean.  Emm sponge? Back of the pot to be clean. Back of the pot. Iron sponge? emmm, No.  Vin emm. No no,  Bleach. No no if you don't have vin the other thing you can use? No. Emmm sand paper?  You see it everywhere.  Remove the paper. Sand. Yeah. Ok.