Cov ntsiab lus hauv qab no yuav tsum tau sau tseg rau lub zog cia:
1.Cov ntsiab lus khaws cia yuav tsum yog thaj chaw qhuav nrog lub qhov cua zoo;
2.Similar rwb thaiv tsev pas nrig yuav tsum muab tso rau saum txee uas tiv tauj nrog hauv plag;
3. Cov hnab looj tes tiv thaiv yuav tsum muab cais tawm ntawm lwm cov khoom siv hluav taws xob rau hauv cov txee nrog kev sib khi zoo; Cov khau tiv thaiv tsis tuaj yeem siv los hloov chaw nag thiab yuav tsum tau muab tshwj xeeb;
4.Qhov tsom iav yuav tsum tau muab cia rau hauv qhov chaw noo noo qhuav;
5.Txhua khoom siv hluav taws xob muaj lawv tus kheej txoj haujlwm thiab yuav tsum tsis txhob koom.
