Txoj Kev Ntsuas Txoj Kev Tshaj Tawm Tseg Nrog Cov Quav Hnav

Kev tiv thaiv ntawm cov tshuaj yej lub thawv rau cov thawv ntim, cov thauv thaj chaw zoo tshaj plaws, tom qab cov thawv ntawv hlau, cov thawv ntoo, cov thawv ntim, cov hnab yas, cov thawv ntim khoom siv, cov thawv ntim hauv particular kom them nyiaj rau hauv qhov ntxoov ntxoo, tsis tuaj yeem muab Nyob rau hauv ncaj qha tshav ntuj los yog av qeeg, muaj cua sov qhov chaw, ntawm ib sab yuav tiv thaiv tau lub npov hlau oxidation xeb, tab sis kuj muaj peev xwm inhibit lub thawv tshuaj yej hauv laus, deterioration ntawm lub ceev.