Rau qee cov khoom lag luam, tshwj xeeb tshaj yog cov kav dej, lub tshuab rho tawm yog qhov tsim nyog cov cuab yeej pabcuam. Lub tshuab no yog siv los cais pwm kom deb ntawm cov khoom sib txuas.
Cov qauv: hom kab rov tav lossis cov hom gantry raws li cov khoom sib txuam sib luag.
■ Ua haujlwm yooj yim.
■ Tsim nyog tus qauv tsim tiv thaiv cov khoom sib xyaw los ntawm kev sib tsoo.
Cov qauv: hom kab rov tav lossis cov hom gantry raws li cov khoom sib txuam sib luag.
■ Ua haujlwm yooj yim.
■ Tsim nyog tus qauv tsim tiv thaiv cov khoom sib xyaw los ntawm kev sib tsoo.