Koob txhaj

Koob txhaj tshuaj thiab koob txhaj tshuaj yuav tsum tau ua kom tsis huv los ntawm ethylene oxide. Tsis muaj menyuam, tsis muaj cua sov. Cov koob txhaj tshuaj tau muab faib ua koob txhaj tshuaj thiab cov tshuaj sib tov (cov khoom siv tshuaj). Lub raj mis tuaj yeem siv los yaj tshuaj. Vim tias rab koob ntawm cov tshuaj yaj yog tuab dua, cov yaj tsis tuaj yeem siv rau tib neeg kev txhaj tshuaj yam tsis hloov qhov koob zoo. Qhov koob yog 9-12. Tsis muaj koob txhaj tshuaj yog txhua yam tshuaj yaj yeeb. Lub raj mis ntim tshuaj yog ntim lub hnab yas lossis ntim ntawv yas. Cov pob yuav tsum qhia lub npe, cov khoom lag luam, cov qauv tshwj xeeb, cov lej ntau, seb nws puas muaj rab koob, hnub tsim khoom, seb nws puas tau ua kom tsis muaj menyuam los ntawm ethylene oxide, thiab lub sijhawm ua kom tsis muaj menyuam tau tas sijhawm. Nco Cov Teeb Meem, cov chaw tsim khoom thiab cov ntaub ntawv tsim khoom.