Cov kab lus qhia hauv qab no yog txhua yam hais txog qhov ceev tso cua hose , los ntawm cov khoom muaj feem xyuam no, koj tuaj yeem tau txais cov ntaub ntawv tseem ceeb, sau ntawv hauv kev siv, lossis cov ncauj lus tshiab txog qhov ceev tso cua hose .Peb vam tias cov xov xwm no yuav muab kev pab koj xav tau.Thiab yog tias cov khoom xa tawm sai sai no tsis tuaj yeem daws koj cov kev xav tau, koj tuaj yeem tiv tauj peb rau cov ntaub ntawv tseem ceeb.