Cov khoom siv tsheb tuaj yeem muab faib ua thawj qhov chaw, lub Hoobkas qhov chaw, cov khoom lag luam, cov khoom siv pabcuam, cov khoom seem, cov khoom siv kho dua tshiab ntawm cov rau, peb nkag siab nyob rau hauv lem.