Mkuwa, faifi tambala, chromium ndi zigawo zina zamagetsi zosanjikizika pazitsulo zosapanga dzimbiri zimatha kuchotsedwa nthawi imodzi m'malo osalowerera ndale, popanda kuwononga ma hanger, popanda chromium ndi cyanide, komanso popanda mpweya woyipa. Ichi ndi chinthu chatsopano chokomera chilengedwe
Wothandizira madziwo ndi woyenera kugwiritsidwa ntchito chovala chitsulo chisanayike. Ikhoza kuchotsa msanga chinyezi pamwamba pazitsulo, kukonza mabala amadzi omwe amapangika pomwe chogwirira ntchito chouma, ndikuteteza ndikuwonjezera makutidwe ndi okosijeni azitsulo m'mlengalenga, osakhudza gloss ndi mawonekedwe azitsulo. Katundu wakuthupi, ndi chinthu choyenera kuchipatala.
