Cov tsev ntim khoom ntim tau yooj yim heev. Lawv tuaj yeem thauj tau yooj yim mus rau txhua qhov chaw thiab sib sau ua ke sai sai rau hauv qhov chaw nyob zoo. Qhov no yog qhov kev xaiv yooj yim heev rau cov neeg uas xav tau nyob ib ntus lossis ua haujlwm hauv thaj chaw deb. Qhov thib ob, tus nqi tsim kho ntawm lub tsev ntim khoom yog qhov tsawg. Piv nrog rau cov tsev ib txwm siv, siv cov thawv ntim khoom siv hauv tsev tuaj yeem txuag tau tus nqi tsim kho, txo lub sijhawm tsim kho thiab txhim kho kev ua haujlwm. Tsis tas li ntawd, cov tsev ntim khoom muaj kev tiv thaiv ib puag ncig zoo. Lawv tuaj yeem rov ua dua tshiab, txo qhov kev puas tsuaj rau ib puag ncig thiab cov khoom siv pov tseg. Ntxiv mus, nws cov rwb thaiv tsev kub thiab suab rwb thaiv tsev ua tau zoo tuaj yeem ua tau raws li qhov xav tau ntawm kev nyob.
Tsis tas li ntawd, kev tsim cov tsev ntim khoom muaj tswv yim thiab tus kheej. Nws tuaj yeem hloov pauv thiab kho kom zoo nkauj raws li qhov xav tau sib txawv thiab nyiam los tsim kom muaj ib qho chaw nyob zoo thiab sov so. Thaum kawg, qhov kav ntev ntawm lub tsev ntim khoom kuj yog qhov zoo dua. Lub thawv nws tus kheej tau dhau los ua kev sim thiab tshuaj xyuas, uas tuaj yeem tiv taus qhov kev sim ntawm ntau qhov chaw hnyav thiab ua kom muaj kev nyab xeeb ntawm cov neeg nyob. Hauv ib lo lus, lub tsev ntim khoom tau dhau los ua lub hnub qub tshiab hauv kev ua lag luam niaj hnub nrog ntau yam zoo xws li yoog raws, tus nqi qis, kev tiv thaiv ib puag ncig, muaj tswv yim thiab kav ntev, uas muab cov neeg muaj kev xaiv nyob ntau dua.
