Txhua Cov Hlau Lug nrog cov plastisol liner muab lub hermetic foob uas ua haujlwm zoo nrog kub thiab txias sau cov ntsiab lus, tseem lub hau' daim tiab tuaj yeem tuav tau yooj yim rau hauv lub thawv' xov rau airtight foob .
Lub khob iav uas muaj lub hau hlau kaw tau zoo rau kev muab tshuaj txhuam lossis ua kom tsis muaj menyuam, uas tau siv dav rau txhua yam khoom noj thiab dej haus, xws li ntses, ketchup, zib ntab, kua txiv, thiab lwm yam.
