Qhov zoo ntawm cov nas khov rau cov nab tsuas yog suav nrog cov hauv qab no:
Yooj yim cia: Cov nas khov tuaj yeem khaws cia rau lub sijhawm ntev yam tsis muaj kev txhawj xeeb txog kev txom nyem, uas yog qhov tshwj xeeb yog rau tibneeg hu tauj coob nab.
Cov Neeg Noj Khoom Noj Ua Si: Muaj cov nas khov ua kom zoo tau txais cov khoom noj kom zoo thaum lub sijhawm ua kom tiav cov kev xav tau cov tsiaj txhua hnub.
High safety: The freezing environment can kill most common pathogens and reduce the risk of pathogen transmission.
Yooj yim rau nqa: Cov nas khov yog ib qho yooj yim nqa thiab khw muag khoom, thiab tuaj yeem raug tso pov thiab pub rau txhua lub sijhawm, uas yooj yim thiab nrawm.
Nruab nrab loj: khov ntxaij cov nas yog qhov loj me, haum rau tus tsiaj nab ntawm txhua qhov ntau thiab tsawg, tshwj xeeb cov nab lossis nab me.
Cov txiaj ntsig zoo ua kom cov nas khov uas tau noj rau ntau tus tswv nab, tshwj xeeb tshaj yog thaum lawv tsis khoom lossis xav tau khaws cia ntev.