Ua siab zoo txais tos rau peb lub vev xaib. Cov khoom lag luam no los ntawm ib pawg ntawm cov khoom tsis tau ntim ntawm cov hmoov nplej kaw, thiab lub tshuab tsis hnav. Cov qauv ntawm lub tshuab yog yoog raws li cov kev xav tau ntawm cov hmoov nplej sib txawv, thiab lub xyoo ntawm kev tsim tshuab yog qhov tshiab, thiab nws tseem muaj lub neej ua haujlwm ntev. Tam sim no, txhawm rau txhawm rau ua kom tsis txaus ntawm cov nyiaj rau kev kaw cov hmoov nplej, nws yog qhov ceev kom muag lawv ntawm tus nqi qis kom sai li sai tau. Lub cib fim tsawg heev. Yog tias koj nyuam qhuav hloov ib pawg ntawm cov khoom siv hmoov nplej ntawm tus nqi qis, koj tuaj yeem tiv tauj sai li sai tau. Cov khoom lag luam no nyuaj rau kev sib ntsib, thiab yuav tsis muaj ntxiv yog tias koj nco nws. Yog tias koj muaj lus nug lossis xav paub txog peb cov khoom, cia li tso koj cov ntaub ntawv hauv qab peb lub vev xaib lossis Tiv tauj peb: