Daim npog ntsej muag tau nyiam los ntawm cov poj niam hauv ntiaj teb. Lub luag haujlwm ntawm daim npog ntsej muag ntim hnab txhais tau ntau heev. Kev ntim cov npog ntsej muag ua lub luag haujlwm tseem ceeb hauv kev lag luam lag luam, nyiam cov neeg siv khoom, xa cov lus ntawm cov khoom, ua rau cov neeg siv khoom txaus siab, simulate rau rov yuav lub qhov ncauj qhov ntswg. Ntxiv mus, tiv thaiv qhov zoo ntawm daim npog ntsej muag. Raws li feem ntau ntawm cov khoom xyaw yog rhiab heev rau oxygen los yog hnub ci, ntawv ci pouches lamination qauv ua haujlwm ua tus saib xyuas rau cov nplooj ntawv sab hauv. Feem ntau ntawm cov txee lub neej yog 18months.Lub npog ntsej muag ntim aluminium foil pouches yog lub hnab hloov tau yooj yim. Cov duab tuaj yeem ua kev cai haum rau cov tshuab txiav woven. Cov xim luam ntawv tuaj yeem ua tau zoo heev vim peb cov tshuab ua haujlwm tau zoo thiab peb pab neeg nrog kev paub dhau los. Lub hnab ntim lub npog ntsej muag tuaj yeem ua rau koj cov khoom ci ntsa iab rau cov neeg siv kawg.