1. Hom thawv
Qhov tseem ceeb tshaj plaws ntawm kev ua haujlwm thawv tsev no yog kev siv cov thawv ntim cov thawv ib txwm. Qhov zoo dua yog qhov rov siv lub thawv ntim cov ntawv pov tseg uas tau tso pov tseg. Qhov kev npaj ua no ua rau lub thawv ntim cov tsev muaj zog heev thiab tuaj yeem tiv taus kev ua haujlwm ntau dua. Yuav tuaj yeem tsim nyog rau kev thov vaj tse nyob, thov txuag cov nqi ntxaws uas xav tau hauv kev tsim khoom.
2. Vuam lub thawv
Vim tias qhov tshwj xeeb ntawm kev tsim ua lub thawv hauv tsev no yog qhov qis dua li qhov ua dhau los, tab sis nws yooj yim thiab yooj yim hauv cov txheej txheem ntawm kev thauj mus los thiab kev teeb tsa. Nws yog qhov tseeb vim tias qhov tshwj xeeb no uas lub neej kev pab cuam tau txuas ntxiv thiab qhov rov qab ntawm peev txheej tshwj xeeb. Cov txheej txheem tau tseem tau nthuav dav heev, yog li cov ntawv thov ntxaws yuav tsis mob heev dua li qhov chaw ntim cov thawv ntim cov tsev txawb.
3. Kev rho tawm thiab sib dhos
Hom kev ntim tsev no tsim tawm hnub no' s thoob ntiaj teb kev txawj ntau lawm qauv ntau lawm. Cov txheej txheem kev ua haujlwm yog ua kom muaj peev xwm tsim cov khoom txheem txheej txheem ua ntej, thiab tom qab ntawd mam li paub sai sai ntawm kev sib dhos ntawm thaj chaw thiab txo tus nqi tag nrho ntawm kev xa khoom tau ntau dua raws li kev tiv thaiv ib puag ncig.
