Yuav ua li cas kos ib daim ntawv dav hlau

Tam sim no peb yuav pom yuav ua li cas kos ib daim ntawv dav hlau nrog xaum ib kauj ruam. Qhov tseeb, nws yog kos tau yooj yim heev.

Kauj Ruam 1. Kos ib daim duab peb sab.

Kauj ruam 2. Los ntawm saum toj no peb kos tus thib ob.

Kauj Ruam 3. Peb txo txoj kab ncaj nraim los ntawm qhov kawg ntawm daim duab peb sab thib ob ntawm sab xis, ces kos rau hauv qab ntawm lub dav hlau.

Kauj Ruam 4. Peb pleev xim rau qhov chaw tsaus nti nrog ib tug cwj mem.