Thaum peb cov tshuaj tiv thaiv pacakging, tsis muaj teeb meem swb pob, hlwv luam yeeb, peb tau tham txog cov qhua tuaj noj mov, peb tau hais rau cov qhua tuaj noj mov, peb tau hais rau cov qhua tuaj noj mov, peb tau hais rau cov qhua tuaj noj mov, peb tau hais rau cov qhua tuaj noj mov , peb xa mus rau cov tuab ntawm cov khoom siv raw.
Vim tias qhov tuab ntawm txhua qhov chaw yog qhov tsis sib xws tom qab muab cua sov thiab cuam tshuam, tsis muaj ib qho los koom ua ke tom qab molding, yog li peb tau hais tias cov tuab yog cov khoom siv raw.
Ua ntej pawg ntau lawm, peb yuav ua cov qauv rau cov neeg siv khoom, yog tias cov neeg siv khoom tsis txaus siab nrog cov tuab, peb tuaj yeem hloov kho cov tuab raws li cov neeg siv khoom.