Txij hnub ntawm kev yuav khoom ntawm cov khoom siv hluavtaws tseem ceeb, koj tuaj yeem txaus siab rau 1-xyoo tom qab-muag kev pabcuam ntawm kev ua haujlwm zoo, tab sis koj yuav tsum tau ua raws li cov hauv qab no:
1. Yuav tsum muaj peev xwm qhia peb daim npav lees paub siv tau.
2. Cov khoom tsis yog rhuav tshem, kho lossis hloov rov los ntawm nws tus kheej, thiab QC tus cim tseem lawm.
3. Thaum twg cov khoom lag luam raug siv nyob rau hauv ib txwm muaj xeev, muaj cov teeb meem zoo.