Siv dav hauv cov khoom xws li cov khoom pob tshab hauv cov tub yees (xws li cov thawv txiv hmab txiv ntoo thiab zaub, tais, cov khib raj mis, thiab lwm yam), cov khoom siv hauv chav ua noj (xws li cov khoom siv pob tshab, cov tais txiv hmab txiv ntoo, thiab lwm yam), thiab cov ntaub ntawv ntim khoom (xws li cov thawv chocolate, cov khoom tso saib, cov thawv luam yeeb, cov thawv xab npum, thiab lwm yam).
