Kev tsim nyog ntawm tus neeg hnav:
Cov hnav khaub ncaws tiv thaiv yuav tsum ua raws li cov hauv qab no:
Noj qab nyob zoo
Qhov loj ntawm cov tshuaj tiv thaiv kab mob yog haum rau koj lub cev
Tom qab kev cob qhia, kuv nkag siab txog kev siv tshuaj tiv thaiv khaub ncaws
Lub sijhawm cia:
Cov khaub ncaws tiv thaiv yog ua los ntawm ntau yam roj hmab thiab cov ntaub ntawv polymer. Tam sim no, tsis muaj cov ntaub ntawv ntawm lub sijhawm khaws cia ntawm cov ntaub ntawv no. Nws yuav tsum yog raws li kev siv cov khaub ncaws tiv thaiv. Tom qab 5 xyoos, nws yuav siv los ua "kev cob qhia tshwj xeeb" tshuaj tiv thaiv khaub ncaws.
Khw:
Nws yuav tsum tau muab cia rau hauv qhov chaw txias, qhuav thiab tsis txhob raug tshav ntuj ncaj qha.
Cov khaub ncaws tiv thaiv tuaj yeem muab khaws cia ncaj qha rau hauv lub hnab ntim khoom qub lossis khaws cia rau ntawm khaub ncaws hanger.
