Kev tswj tus nqi ntawm cov khoom stamped yog ib qho tseem ceeb ntawm kev tswj xyuas ntau lawm. Tus nqi ntawm cov khoom stamped feem ntau suav nrog cov nqi khoom, nqi pwm, nqi khoom siv, thiab nqi zog.
Cov nqi ntawm cov khoom siv yog ib feem tseem ceeb, yog li ntawd, nws yog ib qho tseem ceeb uas yuav tsum xaiv cov khoom kom zoo thiab txo cov khoom pov tseg. Cov nqi pwm yog ib qho - lub sijhawm peev tab sis tuaj yeem txiav tawm los ntawm kev txhim kho pwm lub neej thiab kev siv tus nqi.
Cov nqi khoom siv suav nrog kev yuav thiab tu cov nqi ntawm cov xovxwm thiab lwm yam khoom siv pabcuam. Cov nqi ua haujlwm suav nrog cov nyiaj ua haujlwm ntawm cov neeg ua haujlwm, cov neeg soj ntsuam zoo, thiab lwm tus neeg ua haujlwm.
Los ntawm kev txhim kho cov txheej txheem, txhim kho kev tsim khoom, thiab txo cov nqi seem, tus nqi ntawm cov khoom stamped tuaj yeem tswj tau zoo.
