1. Cov tshuab tshaj tawm yog siv nyob rau hauv cov khw loj, cov koom haum, squares, tsev so, tsoom fwv cov koom haum thiab tsev neeg.
2. Cov ntsiab lus tshaj tawm ntawm lub tshuab tshaj tawm yog qhov ua tau zoo, qhov hloov tshiab nrawm nrawm, thiab cov ntsiab lus tuaj yeem hloov tau txhua lub sijhawm.
3. Lub tshuab tshaj tawm tshaj tawm cov kev txwv ntawm lub sijhawm thiab qhov chaw.

2022.04.08