1. Lub hau npog sab nraud yuav tsum tau muab kho kom nruj los ntawm lub zog sab nraud (lub qhov ciaj ntswj puas siv tau los muab cov ciaj ntswj). Tom qab lub nplhaib foob tau sib sau ua ke, nws yuav tsum tau nyob ze rau hauv kev sib cuag nrog lub hauv av ntawm lub thoob. Cov xov tooj sib dhos ntawm lub nplhaib foob yog txwv tsis pub.
2. Yog tias qhov ntsuas kub ntawm cov khoom ntim yog siab tshaj 40 ℃, kev sau thiab kaw ntawm daim npog sab nrauv thiab thav khoom yuav tsum tau nqa tawm thaum cov khoom lag luam txias txias rau chav kub; thaum muab pawg, them nyiaj rau qib theem, qhov chaw tiv tauj nruab nrab ntawm txheej sab saud thiab qis ntawm cov pawg tau khaws cia, thiab txheej txheej sab saud thiab qis tau raws li, Txwv tsis pub txiav cov phiaj; qhov no tuaj yeem zam kev deformation ntawm cov tais yas.
3. Yog tias cov khoom ntim khoom nquag nquag tsim cov pa hluav taws xob, tshwj xeeb tshaj yog Lub Ob Hlis, Plaub Hlis thiab Lub Yim Hli thaum cov ntsuas kub hloov txawv, pom qhov nruab nrab kub lub sijhawm sau yuav tsum xaiv kom tsis txhob tawg thiab deformation.
4. Yuav tsum tsis muaj qhov sib xyaw chemical ua ke ntawm cov khoom lag luam phom sij thiab cov yas nruas ntawm peb lub tuam txhab.
5. Lub cev nyhav lossis lub zog nqus ntawm cov khoom lag luam phom sij muaj nyob hauv cov nruas yas yuav tsum tsis pub dhau qhov nyhav lossis lub zog nqus ntawm cov ntsiab lus uas nqa tau.
6. Nws tsis raug tso cai siv cov nruas yas nrog ib pawg tsawg txaus ntshai rau cov khoom txaus ntshai uas xav tau ntim qib siab.
7. Tsis txhob siv cov nruas yas tsis muaj qhov qhib kom thauj cov khoom lag luam phom sij uas yuav tso cov roj thaum lub sijhawm cia thiab thauj.
8. Tus tib neeg hnyav lossis ntim ntawm cov khoom lag luam phom sij muaj nyob hauv cov roj hmab yas yuav tsum tsis pub tshaj qhov txwv ntawm cov kev cai thoob ntiaj teb kev thauj khoom ntawm cov khoom txaus ntshai.
9. Nws yuav tsum tau xyuas kom meej tias tom qab cov khoom phom sij tau ntim, lub foob ntawm pob khoom yog qhov ruaj khov (lub tshav kub ntim ntawm lub hnab yas hauv lub thoob yas yuav tsum yog qhov zoo lossis lub lashing tseem khov), tsis muaj dej xau lossis to.
10. Thaum thauj cov khoom lag luam phom sij hauv cov thawv yas, sab nrauv sab nrauv ntawm cov thoob yas yuav tsum tsis txhob xeb lossis puas, thiab lub ntsej muag zoo nkauj thiab zoo.
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