Dhau li ntawm peb cov khoom uas twb muaj lawm, peb tuaj yeem tsim ntau yam khoom raws li cov neeg siv khoom kos duab lossis cov qauv. Thaum ntxov, peb yuav sib tham nrog cov neeg siv khoom kom meej. Tom qab cov khoom tau lees paub, peb yuav muab cov neeg siv khoom coj mus kuaj ua ntej ntau lawm.Thaum tus neeg siv khoom tau lees paub, peb yuav ua tiav ntau lawm .Nyob rau hauv cov txheej txheem ntau lawm, peb nruj me ntsis tswj cov khoom zoo. Rau cov khoom muag tom qab muag, peb muab cov khoom seem dawb, muab kev txhawb nqa, thiab kev sib tham zoo nrog cov neeg siv khoom los daws qhov teeb meem.
