1. Cov khoom siv lub raj kub tsis dhau, melting yas yas kub kuj yog tsawg, cov khoom ntws tsawg dua, yog li nws yog qhov yooj yim los ua cov cim ntws hauv qhov kev taw qhia ntws.
2. Lub sijhawm ntsuas cov khoom siv hluav taws xob tsis tsim nyog, cov khoom siv hluav taws xob lub sijhawm luv luv yuav ua rau lub tshuab hluav taws xob tsis kub, cov khoom siv ua kua hluav taws xob dhau los ua tsis zoo, yooj yim los tshwm cov cim ntws.
3. Lub sijhawm nyob ntawm cov khoom siv rau hauv cov khoom siv lub raj xa khoom tsis txaus, cov khoom kub yuav dhau tsawg, tom qab ntawd nws tsis yooj yim fo sau cov khoom, thiab tseem yuav tsim cov cim kev ntws.
