1. Tsis Siv Neeg Filling: Lub tshuab filling thiab sealing tuaj yeem tuaj yeem sau cov ntaub ntawv rau hauv cov thawv raws li cov khoom siv ua ntej, ua kom tiav cov haujlwm filling tsis hais seb nws puas yog kua, khoom, lossis hmoov.
2. Kev Ua Tau Zoo Sealing: Tom qab sau, lub tshuab filling thiab sealing tuaj yeem ceev lub thawv kom tiv thaiv cov khoom xau thiab xyuas kom cov khoom airtightness thiab huv si.
3. Kev Ua Haujlwm Txawj Ntse: Niaj hnub nimno filling thiab sealing tshuab feem ntau yog nruab nrog kev tswj hwm qib siab, ua kom muaj kev tswj hwm kev tswj hwm, txo cov kev cuam tshuam ntawm phau ntawv, thiab txhim kho kev tsim khoom.
