Xaiv cov ntim kom raug kom txo qhov cuam tshuam ntawm kev ntim khoom tsis raug thiab kev thauj mus los ntawm qhov zoo ntawm cov fwj npias. Cov khoom ntim yuav tsum khaws cov khoom kom huv thiab tsis tawg yooj yim.
Txhua pob yuav tsum tau txuas nrog daim ntawv pov thawj lossis daim ntawv tsim nyog, qhia lub npe ntawm cov chaw tsim khoom, lub npe khoom, kev qhia tshwj xeeb, ntau npaum li cas, ntau tus lej, npe (tus lej) ntawm tus neeg tshuaj xyuas lub ntim khoom, thiab cov lus xws li" tawg" thiab" daws nrog kev saib xyuas" ;.