Xaiv cov khoom lag luam kom pom cov npe khoom muag hauv IAOMT Khw.

Cov neeg siv khoom yuav xa rov qab cov khoom rau qhov nyiaj rov qab tsis pub dhau 20 hnub ntawm kev yuav khoom. Kev xa rov qab yog tsis suav nrog.