Qhov zoo ntawm khov -}} txiv hmab txiv ntoo qhuav

1. Khov tawm {-}}}}}}}}} {2- Cov khoom siv muaj ntau, xws li cov uas yuav poob lawv cov kev ua haujlwm.
2. Thaum ziab ntawm cov kub tsawg, qhov ploj ntawm qee cov khoom sib xyaw hauv cov tshuaj yog qhov tsawg heev, khaws cov khoom ntiag tug thawj.
3. Thaum lub sijhawm khov -}} Kev loj hlob, microbial kev loj hlob thiab enzyme kev ua si, pub cov khoom los tswj nws cov qauv qub.
4. Vim tias cov khoom tau qhuav hauv lub xeev khov, nws ntim tseem tsis tau hloov pauv, khaws nws thawj tus qauv thiab tiv thaiv kev hws.
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6. Vim tias ziab tau ua nyob rau hauv lub tshuab nqus tsev, oxygen yog tsawg, khaws cia yooj yim oxidized tshuaj.
7. Kom qhuav tshem tawm ntau dua 95-99% ntawm cov dej, tso cai rau cov khoom qhuav los khaws cia rau lub sijhawm ntev yam tsis muaj kev cuam tshuam.