Qhov ua haujlwm yooj yim ntawm lub kaw

Tsis tsuas yog muaj ntau hom kev kaw, tab sis lawv kuj muaj ntau lub zog ntawm cov haujlwm:
· Kev muaj nuj nqi: lub hau muaj peev xwm tiv thaiv cov ntsiab lus ntawm cov khoom lag luam thiab tiv thaiv kev paug thiab tsis zoo.
Kev tsim kho yooj yim: Kev tsim kho tsim nyog tso cai rau cov neeg siv khoom tau yooj yim qhib thiab kaw lub hau rau kev siv yooj yim.
Cov ntaub ntawv kev sib txuas lus: feem ntau yog luam tawm nrog cov ntaub ntawv khoom, xws li hnub, yog li ntawd cov neeg siv khoom tuaj yeem nkag siab cov khoom lus kom paub meej.

Tsis tas li ntawd, qee cov kev kaw tshwj xeeb tau txuas ntxiv cov kev txwv, xws li qhib cov kev txwv, tiv thaiv cov ntawv sau tseg, thiab lwm yam kev nyab xeeb thiab kev siv.