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Zulu Siv rau hauv ntim khoom noj thiab dej haus thiab thauj. Muaj peev xwm muab kev pabcuam kev cai sib txawv.
Hauv lub neej niaj hnub no, nrog kev txhim kho txuas ntxiv ntawm tib neeg txoj kev paub txog kev nyab xeeb khoom noj thiab kev tiv thaiv ib puag ncig, kev xaiv cov khoom ntim khoom noj tau dhau los ua qhov tseem ceeb. Raws li lub thawv ntim khoom noj ntau, cov khoom noj khoom haus qib yas fwj tau siv dav hauv ntau yam. Hom lub raj mis yas no muaj cov tshuaj lom neeg ruaj khov zoo, tsis muaj tshuaj lom, tsis muaj mob, tsis muaj qab hau, ua kom muaj kev nyab xeeb ntawm cov zaub mov hauv kev khaws cia thiab kev thauj mus los. Tsis tas li ntawd, cov khoom noj khoom haus qib yas fwj kuj muaj qhov zoo ntawm lub teeb, ruaj khov, yooj yim ua thiab molding, ua rau nws muaj txiaj ntsig zoo hauv kev ntim khoom noj.
Lub raj mis yas khoom noj feem ntau tuaj yeem muab faib ua hom hauv qab no:
1. PET lub raj mis: polyester lub raj mis, pob tshab los yog translucent, feem ntau yog siv rau kev haus dej haus, edible oil, jam, sauce thiab lwm yam ntim khoom noj. 2. HDPE lub raj mis: siab ceev polyethylene lub raj mis, feem ntau siv rau hauv cov mis nyuj, yogurt, kua txiv hmab txiv ntoo, kua condiments thiab lwm yam khoom ntim. 3. PP lub raj mis: polypropylene lub raj mis, nrog cov huab cua zoo nruj thiab kub tsis kam, feem ntau siv rau cov roj ua noj, txuj lom, kua qab zib thiab lwm yam ntim. 4.PS lub raj mis: polystyrene lub raj mis, pob tshab los yog translucent, feem ntau yog siv rau ice cream, cheese, jam thiab lwm yam ntim khoom noj.



1. Kev ntim dej haus: daim ntawv thov ntawm cov khoom noj khoom haus qib yas fwj hauv kev ntim cov dej haus yog dav heev, xws li dej ntxhia, kua txiv hmab txiv ntoo, dej tshuaj yej, dej qab zib carbonated thiab lwm yam. Cov dej qab zib no yuav tsum tau khaws cia thiab thauj mus ntev, thiab lub raj mis yas tuaj yeem tiv thaiv zoo ntawm cov dej haus thiab tiv thaiv kev sib kis thiab oxidation. 2. Kev ntim khoom ntim: kua ntses, kua txiv hmab txiv ntoo, roj ua noj thiab lwm yam khoom noj kuj yuav tsum tau ntim rau hauv cov zaub mov qib yas fwj. Cov khoom lag luam zoo li no muaj kev xav tau ntau dua rau cov khoom ntim, vim tias cov khoom siv tshuaj lom neeg hauv cov khoom lag luam tuaj yeem cuam tshuam nrog cov khoom ntim, cuam tshuam rau qhov zoo thiab saj ntawm cov khoom. Lub raj mis yas muaj cov tshuaj lom neeg zoo kom ntseeg tau qhov zoo thiab kev nyab xeeb ntawm cov khoom noj. 3.Kev ntim khoom noj: mis nyuj, yogurt thiab lwm yam khoom yuav tsum tau khaws cia tshiab thiab huv si thaum khaws cia thiab thauj. Khoom noj khoom haus qib yas fwj muaj kev sib khi zoo thiab cov khoom thaiv, uas tuaj yeem tiv thaiv kev cuam tshuam ntawm cov pa oxygen thiab cov kab mob, yog li ncua lub txee lub neej ntawm cov khoom. 4.Kev kho mob cov khoom ntim khoom: kev lag luam ntawm cov khoom kho mob tau nce kev vam meej, thiab cov kev xav tau siab dua tau muab tso rau hauv cov khoom ntim khoom. Nrog nws cov kev ua tau zoo thiab kev nyab xeeb, cov khoom noj-qib lub raj mis yas tau dhau los ua thawj qhov kev xaiv rau kev ntim khoom noj qab haus huv. Khoom noj khoom haus los yog kua, xws li cov vitamins thiab minerals, feem ntau yog ntim rau hauv cov zaub mov qib yas hwj.