Ib yam ntawm cov cuab yeej yuav tshwm sim hauv chav kawm ntawm qhov teeb meem no lossis qhov teeb meem ntawd, qhov teeb meem tsis txaus ntshai, tus yuam sij yog txoj hauv kev kom raug.

1. Vim tias qhov dej tsis zoo, qhov kub thiab txias ntawm cov dej tsis zoo, qhov dej tsis ua haujlwm, thiab lwm yam, nws yog ib qho tsim nyog yuav tsum tau txais kev kho kom raug raws li cov teeb meem sib txawv.

2. Lub nplhaib sealing yog kev laus, tawg lossis tawg.Qhov no yuav tsum tau ua tib zoo tshuaj xyuas ua ntej siv thiab hloov lub sij hawm ntawm lub nplhaib sealing.Thaum ib qho tawg tshwm sim, tus neeg teb xov tooj yuav tsum tau txiav txim siab los yog hloov nws nyob rau hauv qhov chaw ua kom muaj kev nyab xeeb kub thiab siab.

3. Sudden fais fab tuag lossis roj hluav taws xob thaum ntsib cov xwm txheej zoo li no, ua tib zoo saib xyuas cov haujlwm ntawm cov retort, ua ib daim ntawv teev npe, thiab ua kom tsis muaj menyuam thaum muab khoom rov qab.Yog tias cov khoom raug tso tseg ntev, koj yuav tsum tau tshem tawm cov khoom hauv retort thiab txuag nws, thiab txuas ntxiv mus ua haujlwm thaum tos cov khoom rov qab.