Cov cuab yeej siv cov khoom siv khib nyiab tau siv dav hauv cov khw muag khoom siv hluav taws xob, khw muag tshuaj, khw muag tsom iav, khw muag khoom siv tes ua khoom, khw muag khoom siv hluav taws xob, khw muag khoom, chaw muag tshuaj pleev ib ce, lub khw muag khoom, cov khw muag khoom khaub ncaws, thiab lwm yam khoom lag luam. Cov cuab yeej zaub racks tuaj yeem tsim cov qauv sib txawv los ua kom cov khoom tso tawm ntau dua, nws nyiam cov xim thiab nyiam ntawm cov neeg siv khoom.
