Cov lus qhia tshwj xeeb ntawm lub hnab xa khoom sab nraud- cov tshuab sealing feem ntau yog categorized raws li qhov tsis xws li cov qauv khoom, qhov dav, kev sib khi ceev, thiab cov ntaub ntawv siv tau. Cov kev qhia tshwj xeeb muaj xws li kev hloov pauv ntawm qhov dav dav, lub hnab ntim ntau yam, thiab qhov nrawm nrawm; cov tuam txhab tuaj yeem xaiv cov qauv tsim nyog raws li lub hnab ntim qhov ntev, cov khoom tsim tawm, thiab cov txheej txheem tsim khoom kom tau raws li qhov xav tau ntawm kev ua haujlwm txhua hnub.
Cov ntsiab lus tseem ceeb rau cov tshuab no suav nrog qhov dav dav, sealing thickness, lub hnab - ua kom ceev, cua kub ntau yam, lub cev muaj zog, thiab qhov ntev ntawm lub cev. Lub foob dav tuaj yeem hloov kho raws li cov khoom yuav tsum tau ua, ua cov cuab yeej tsim nyog rau kev ua txhua yam los ntawm cov hnab me me mus rau nruab nrab - thiab loj - cov hnab ntim loj, nrog rau ntau yam ntawm cov ntaub ntawv yas. Tsis tas li ntawd, kev khiav hauj lwm nrawm dua ua rau muaj peev xwm ntau dua ib chav tsev ntawm lub sijhawm, ua rau cov khoom siv tau zoo dua rau qhov chaw tsim khoom ntau dua - ntim.
Qee qhov kev ua tau zoo - qauv muaj peev xwm muaj peev xwm xws li kev pub mis tsis siv neeg, kev tswj xyuas qhov kub thiab txias, kev tswj hwm qhov sib txawv ntawm qhov ceev, thiab kev suav tsis siv neeg, tag nrho cov uas txhim kho kev ua haujlwm yooj yim thiab kev ruaj khov. Thaum xaiv cov kev qhia tshwj xeeb, cov neeg siv yuav tsum ua tib zoo xav txog yam xws li lub hnab qhov ntev, cov khoom siv, kev ua haujlwm ntau lawm, thiab muaj qhov chaw ua haujlwm kom ntseeg tau tias cov khoom siv xaiv tau ua raws li qhov xav tau tiag tiag ntawm kev tsim khoom-yog li zam dhau qhov muaj peev xwm dhau los lossis tsis muaj peev xwm ua tau raws li qhov yuav tsum tau ua.
