Tus ua haujlwm ua haujlwm ntawm cov hlau tawb ua cov cuab yeej siv mas suav nrog cov hom hauv qab no:
Rebar tawb Rwb Vuam Tshuab: Tus ua haujlwm ntawm cov khoom siv ruaj khov, thiab tom qab ntawd Weld lub zog rau lub zog thiab tom qab ntawd Weld lub zog tseem ceeb thiab muab tso rau lub ntsiab ntawm lub ntsiab ntawm lub sijhawm los ua cov hlau tawb .
Ob-rebar hlau tawb wints wints wints thiab qhov loj me, thiab txo qhov ua yuam kev ntawm kev ua haujlwm ntawm kev sib sau ua ke.
Rebar ntiv nplhaib ua ntaus ntawv: Cov cuab yeej siv no suav nrog kev tsav tsheb sib dhos, thiab cov khoom siv hluav taws xob txhawb nqa cov kab ke tsav tsheb thiab tswj hwm kev nqa khoom thiab kev txo qis ntawm cov txheej txheem tso cai thiab cov menyuam cov menyuam yaus los ntawm cov khoom siv sib dhos, thiab cov hlua tsav tsheb, yog li paub qhov kev sib sau ntawm cov hlau bar nplhaib {}}