Tam sim no muaj 8 cov qauv kev lag luam rau cov khoom ntim cov yeeb yaj kiab, thiab cov cim tseem ceeb ntawm cov qauv tau muab faib ua cov ntsuas kev ua haujlwm ntawm lub cev thiab cov tshuab ua haujlwm thiab cov ntsuas kev ua haujlwm huv. Ntawm lawv, cov ntsuas lub cev thiab cov tshuab ua haujlwm feem ntau suav nrog lub zog tensile thaum tawg (lossis tensile lub zog), elongation ntawm so, tev quab yuam, lub zog sealing, tiv thaiv -pendulum cuam tshuam lub zog, dej vapor kis tus nqi, oxygen kis tus nqi , siab tsis kam ntawm lub hnab, lub hnab poob kev ua haujlwm, kub thiab nruab nrab tsis kam, roj tsis kam, txias tsis kam, kub tsis kam, thiab lwm yam. Cov ntsuas kev ua haujlwm huv huv muaj xws li kev hnov, evaporation residue, evaporation residue, evaporation residue, decolorization, hnyav residue, sterilization ntsuas, thiab lwm yam. .
Cov khoom noj uas muaj nyob hauv khw xws li noodles instant, biscuits, puffed food, candy, mis nyuj, mis hmoov, dej haus, zaub mov siav, nqaij nyug jerky, txiv ntseej, mustard thiab lwm yam khoom noj uas muag nyob rau hauv lub ntim saj zawg zog yog tag nrho ntawm cov zaub mov ntim films.