1. Siv lub tshuab nqus tsev, tshem tawm cov khoom seem ntawm lub tshuab sab nrauv.
2. Txhawm rau kom ncav cuag lub tank sib tov, siv tus ntaiv.
3. Qhib cov chaw nres nkoj hmoov ntawm ob sab ntawm lub tank sib tov.
4. Siv lub tshuab nqus tsev kom tshem tawm cov khoom seem ntawm lub tank sib tov.
Lus Cim: Nqus cov khoom sab hauv los ntawm ob qho tib si hmoov inputs.
5. Txhawm rau ntxuav thiab tshem tawm cov hmoov seem, siv lub tshuab ntxhua khaub ncaws.
Post lub sij hawm: Nov-27-2023