Feem ntau, lub sij hawm cia ntawm lub fuse yuav tsum tsis txhob ntev heev, vim hais tias lub neej ntawm lub fuse yog txwv, thiab lub fuse tsis yooj yim rau oxidize yog hais tias tus txheej txheem cia yog lawm, thiab nws yuav khaws cia li ntawm 1 mus rau 2 xyoo. Yog tias txoj kev khaws cia tsis raug, hauv qee qhov chaw ntub dej, nws yuav tshwm sim sai heev Oxidation. Raws li ib txwm muaj, nws tuaj yeem khaws cia tsis pub tsawg dua ob xyoos, tab sis nws tuaj yeem khaws cia dua tom qab dhau qhov kev tshuaj xyuas rov qab thaum nws tas sijhawm.
