Ntxiv nrog rau kev saib xyuas tus nqi ntawm cov qhov rooj ntoo hauv tsev, cov neeg siv khoom yuav tsum tau xyuam xim rau cov ntsiab lus hauv qab no thaum xaiv cov qhov rooj ntoo:
Thawj yog cov khoom siv kho vajtse, uas cuam tshuam rau kev ua haujlwm ntawm lub qhov rooj ntoo. Feem ntau, cov khoom siv rooj tog ntoo muaj xws li pob khawm, qhov rooj xauv, qhov rooj nres, plua plav strips, thiab lwm yam. Nws yog ib qho tsim nyog yuav tau xaiv cov khoom kho vajtse nrog kev ruaj ntseg zoo.
Qhov thib ob yog ua tib zoo saib xyuas tus nqi ntawm qhov qhib qhov thiab iav: Feem ntau, thaum ntxiv iav rau cov qhov rooj ntoo tiav, feem ntau yuav tsum tau them nqi ntxiv. Ua ntej yuav khoom, nws yog ib qho tseem ceeb uas yuav tsum sab laj tus nqi kom meej kom tsis txhob nkim nyiaj.
Qhov thib peb yog saib cov tsos: muab piv rau qhov puv puv ntawm cov xim zaj duab xis, qhov puv ntawm cov xim zaj duab xis qhia tau hais tias cov xim zoo nkauj, muaj zog cohesion, zoo sealing kev ua tau zoo, thiab tseem qhia tau hais tias ua tiav cov txheej txheem tha xim.
Qhov thib plaub yog saib lub suab rwb thaiv tsev: qhov zoo hauv tsev ntoo qhov rooj muaj qhov zoo thiab pom tseeb lub suab rwb thaiv tsev. Lub suab rwb thaiv tsev ntawm cov qhov rooj ntoo yog nyob ntawm cov ntaub ntawv siv. Cov qhov rooj ntoo uas muaj zog thiab hnyav yuav tsum tau xaiv. Tsis tas li ntawd, qhov sib txawv ntawm lub qhov rooj yuav tsum tau kuaj xyuas, thiab qhov sib txawv loj dua, qhov ua rau lub suab rwb thaiv tsev zoo dua. Cov neeg siv khoom tuaj yeem txiav txim los ntawm tapping lub qhov rooj vaj huam sib luag thiab mloog lub suab.
Kev xaiv cov qhov rooj sab hauv tsev yog ib qho tseem ceeb ntawm kev kho kom zoo nkauj hauv tsev. Lub qhov rooj zoo hauv tsev tsis tuaj yeem txhim kho theem ntawm kev kho kom zoo nkauj hauv tsev, tab sis kuj txhim kho koj lub neej zoo. Tau ntsib nrog ntau ntawm cov rooj tog ntoo hauv tsev, nws raug nquahu kom koj xaiv raws li qhov xav tau tiag tiag ntawm koj lub tsev.