yuav ua li cas kom paub PE hnab yas thiab PO hnab yas
PE cov ntaub ntawv yog mos heev, pob tshab, tab sis tuab PE hnab yas, yuav hnov zoo me ntsis, tab sis tsis ua li cas rau cov khoom muag, pinch pem PE hnab, lub suab zoo heev, hnov zoo heev, siv los tiv thaiv cov khoom ntim, tsis khawb khoom.
