qauv
Kraft daim ntawv lub hnab yog cov khoom siv sib xyaw lossis cov kraft ntawv ntshiab ntim ntawv ntim, tsis muaj tshuaj lom, tsis muaj ntxhiab, tsis muaj kuab lom, tsis tshua muaj cov pa roj carbon tiv thaiv ib puag ncig, nyob rau hauv txoj kab nrog ib puag ncig lub teb chaws tus qauv, siab zog, kev tiv thaiv ib puag ncig, yog tam sim no nrov tshaj plaws hauv ib puag ncig phooj ywg ntim khoom hauv ntiaj teb. Ib tug.
Kraft daim ntawv lub hnab yog cov khoom siv sib xyaw lossis cov kraft ntawv ntshiab ntim ntawv ntim, tsis muaj tshuaj lom, tsis muaj ntxhiab, tsis muaj kuab lom, tsis tshua muaj cov pa roj carbon tiv thaiv ib puag ncig, nyob rau hauv txoj kab nrog ib puag ncig lub teb chaws tus qauv, siab zog, kev tiv thaiv ib puag ncig, yog tam sim no nrov tshaj plaws hauv ib puag ncig phooj ywg ntim khoom hauv ntiaj teb. Ib tug.
Lub hnab kraft ntawv yog ua los ntawm cov ntaub ntawv ntoo tag nrho. Cov xim tau muab faib ua cov ntawv kraft dawb thiab ntawv daj kraft. Nws tuaj yeem raug coated nrog PP cov ntaub ntawv ntawm daim ntawv los tiv thaiv nws. Lub hnab muaj zog tuaj yeem ua rau hauv ib mus rau rau txheej raws li cov neeg siv khoom' cov tseev kom muaj. , luam ntawv thiab lub hnab ua kev koom ua ke. Txoj kev qhib thiab ntim tau muab faib ua tshav kub sealing, ntawv ntim thiab pas dej hauv qab.
