Ib txheej ntawm cov cuab yeej hais txog kev sib xyaw ntawm ib lossis ntau yam cuab yeej hauv ib qho kev qhia tshwj xeeb. Feem ntau, muaj kev sib xyaw ua ke ruaj khov thiab ntim khoom, uas tuaj yeem lav tag nrho cov kev siv thiab ua kom yooj yim khaws cia thiab nqa. Rau cov chaw tsim khoom, kev lag luam ntim tuaj yeem nce ntxiv, zoo ib yam li kev tsim khoom loj thiab muag khoom; rau cov neeg siv khoom, lub sijhawm yuav khoom tuaj yeem raug txo kom tsawg thiab tus nqi yuav khoom ntawm ib qho tuaj yeem raug txo kom tsawg, zoo ib yam li cov khoom siv batch.
