1. Khaws lub site kom huv si;
2. Siv cov tsheb thiab cov phom hnyav tsa tau "tsis haus luam yeeb" nyob rau ntawm cov nyom tsis nkag rau qhov chaw ua si;
3. Txo cov sij hawm tu tsev, tsis txhob kub kub;
4. Teem kom tau qis qis qis;
5. Kev tswj ntawm kev siv lub vev xaib; 6. Qhov kev puas tsuaj me me yuav tsum kho thaum lub sij hawm.
