Cov txheej txheem txij nkawm rau sealing nplooj ntawv feem ntau suav nrog cov hauv qab no:
1. Kev tshuaj xyuas tsis tu ncua: Tsis tu ncua xyuas qhov kev ua tau zoo ntawm cov ntawv sealing thiab hloov cov khoom puas sai sai yog tias pom muaj teeb meem.
2. Lubrication: Sealing sheets yuav tsum tau lubrication los xyuas kom meej sealing kev ua tau zoo.
3. Ntxuav: Khaws cov khoom kom huv si kom tsis txhob muaj impurities nkag mus thiab cuam tshuam rau kev sib khi.
4. Kev Txhim Kho Kom Zoo: Txhim kho cov ntawv sealing kom raug kom tsis txhob muaj teeb meem los ntawm kev teeb tsa tsis raug.