Thaum siv retort pouches, thov ua tib zoo saib cov hauv qab no:
1. Xaiv cov hnab retort uas haum rau hom zaub mov (xws li, kua qaub- cov hnab resistant yuav tsum tau rau cov khoom noj acidic);
2. Tswj cov kev ua noj ua haus (kub, sijhawm, siab) kom tsis txhob ntim khoom puas lossis lwj ntawm cov khoom;
3. Tsis txhob tshav ntuj ncaj qha thiab siab - qhov kub thiab txias ib puag ncig thaum khaws cia kom tsis txhob muaj cov khoom laus;
4. Ua raws li cov lus qhia thaum qhib kom tsis txhob nchuav los yog kub hnyiab.
