Txij li hnub yuav khoom ntawm cov khoom tseem ceeb ntawm cov khoom siv hluavtetic, Koj tuaj yeem txaus siab rau 1-xyoo tom qab muag cov kev pab cuam zoo, Tab sis koj yuav tsum ua raws li cov hauv qab no:
1. Muaj peev xwm los qhia peb daim npav lav tau raug.
2. Cov khoom lag luam tsis yog disassembled, kho lossis kho tau los ntawm nws tus kheej, thiab QC Malakaus yog lawm.
3. Thaum cov khoom siv nyob rau hauv ib txwm xeev, Muaj cov teeb meem zoo.