Kraft cov ntawv yog ib qho khoom ntim ntim uas tau siv dav hauv ntau thaj teb. Txawm li cas los xij, nrog kev txhim kho ntawm kev paub ib puag ncig, cov neeg tau pib ua tib zoo mloog seb puas yuav rov ua haujlwm. Kab lus no yuav tshawb txog cov ntawv rov hais dua ntawm Kraft daim ntawv thiab muab qee cov lus qhia txog yuav ua li cas rov qab ua dua cov ntawv Kraft.
Ua ntej, peb yuav tsum to taub cov yam ntxwv ntawm Kraft ntawv. Kraft daim ntawv yog ib daim ntawv kho tshwj xeeb nrog lub zog siab thiab lub siab ntev. Nws tseem tseem tiv thaiv yog ntoo pulp, yog li nws tuaj yeem rov ua dua tshiab hauv kev tshawb xav. Txawm li cas los xij, txij li Kraft ntawv feem ntau siv rau pob khoom noj thiab lwm yam khoom siv rhiab, yuav tsum tau them rau kev tu cev thiab teeb meem kev nyab xeeb.
Yog li, cov ntawv kraft puas tuaj yeem rov ua dua tshiab? Cov lus teb yog muaj. Qhov tseeb, ntau lub tebchaws thiab cov cheeb tsam tau pib siv cov kev siv ua haujlwm rau kraft ntawv. Cov kev kawm no feem ntau suav nrog cov txheej txheem ntawm kev khaws cia, txheeb thiab ua kraft rau kom ntseeg tau tias nws tuaj yeem ua tau zoo. Thaum lub sij hawm rov ua dua tshiab, kraft ntawv feem ntau hloov pauv mus rau hauv cov pulp, uas yog tom qab ntawd tau siv los ua cov ntawv tshiab.
Txawm li cas los xij, kom ua tiav cov ntawv sau ua haujlwm zoo ntawm Kraft daim ntawv, qee qhov tseem ceeb yuav tsum tau them nyiaj rau. Ua ntej, tus nqi rov ua dua tshiab ntawm Kraft cov ntawv yuav tsum muaj kom ntseeg tau. Qhov no txhais tau hais tias kev siv rov ua haujlwm rov siv dua tshiab yuav tsum tau tsim kom muaj kev sau thiab cov txheej txheem ntau li kraft ntau li sai tau. Thib ob, qhov zoo tshaj ntawm cov ntawv sau rov qab kraft yuav tsum muaj kom ntseeg tau. Qhov no txhais tau tias cov ntawv sau rov qab los yuav tsum ua kom nruj thiab ua tiav kom tshem tawm cov impurities uas yuav cuam tshuam rau nws qhov zoo. Thaum kawg, qhov kev nyab xeeb ntawm cov ntawv sau rov qab kraft kom ua kom zoo nkauj. Qhov no txhais tau tias cov ntawv siv kraft kraft kom nruj me ntsis rau kev nyiam huv thiab kev nyab xeeb kom ntseeg tau tias nws tsis ua phem rau tib neeg kev noj qab haus huv thiab ib puag ncig.
Hauv cov ntawv luv, kraft yog cov khoom ntim ntim uas tuaj yeem rov ua tau dua tshiab. Txawm li cas los xij, kom ua tiav nws cov khoom siv rov ua haujlwm zoo, qee qhov tseem ceeb yuav tsum tau them siab rau, suav nrog tus nqi rov ua dua, zoo thiab kev nyab xeeb. Los ntawm kev siv cov kev ntsuas tsim nyog, peb tuaj yeem txo qhov cuam tshuam ntawm kraft daim ntawv ntawm ib puag ncig thiab txhawb kev txhim kho kom muaj kev txhim kho.
