1. Cov txheej txheem thev naus laus zis yog qhov yooj yim thiab siv tau, thiab cov txheej txheem tsim khoom yog qhov qis qis -carbon, uas ua tau raws li cov kev xav tau ntawm kev tsim khoom huv.
2. Ntau qhov chaw ntawm raw khoom thiab tus nqi qis. Nws yog tsuas yog ua los ntawm cov ntawv pov tseg lossis txhua xyoo tshuaj ntsuab fiber ntau. Cov khoom siv raw tuaj yeem hloov kho rau hauv zos thiab tau txais hauv zos.
3. Lub teeb yuag, tus nqi qis dua, thiab tuaj yeem siv tau ntau zaus. Nws muaj kev poob siab zoo thiab cushioning zog, thiab siv txoj kev ncua kev kawm los tsim cov adsorption zoo dua, uas tuaj yeem tiv thaiv cov khoom los ntawm kev puas tsuaj thaum lub sijhawm thauj mus los.
4. Los ntawm kev tsim khoom thiab siv cov ntawv xovxwm qhuav kom pov tseg, nws yog ib puag ncig zoo. Thaum lub sijhawm tsim khoom, kev siv dej me me, tsis muaj dej khib nyiab tawm, thiab kev ua qias tuaj ib puag ncig raug txo.
5. Raws li cov kev xav tau sib txawv ntawm cov neeg siv, qhov zoo ntawm qhov chaw, xim, duab thiab lwm yam zoo li cov khoom tuaj yeem raug xa mus rau - ua tiav kom tau raws li qhov xav tau ntawm cov khoom lag luam. Cov khoom sib txawv tuaj yeem muab ntxiv raws li cov neeg siv khoom xav tau thaum lub sijhawm pulping, thiab ntau hom ntawv ntim ntim tuaj yeem ua raws.
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