Dab tsi kuv yuav tsum them sai sai rau thaum yuav ib qho kev txhaj tshuaj pwm?

1. Puas yog pwm txhaj tshuaj pwm tsim cov khoom lag luam tau ua tiav?
2. Puas yog cov khoom lag luam nruam ruaj khov thiab txhim khu kev qha?
3. Seb lub voj voog ntawm pwm txhaj yuav tsim ib npias ua kom tau raws li qhov yuav tsum tau them tsawg kawg nkaus
4. Puas yog tus qauv pwm thiab txav mus tsim qauv tsim nyog / ntseeg tau?
5. Puas yog cov khoom siv pwm puas ua raws li cov khoom tsim?
6. Cov tsos ntawm cov pwm yog huv thiab huv si, thiab txhua yam cim ua tiav.