Lub tshuab luam ntawv yog ib qho tseem ceeb heev rau kev luam ntawv. Nws lub luag haujlwm tseem ceeb yog kev sib xyaw cov ntawv thiab toner thaum lub sijhawm xa duab kom ua tiav cov duab rov ua dua. Yog tias lub tshuab luam ntawv puas lawm, nws yuav ua rau nws tsis ua haujlwm zoo, yog li nws yuav tsum tau kho lossis hloov pauv raws sijhawm.
