1. Kev yuav khoom los ntawm cov chaw muaj npe nrov
Thaum yuav cov ntaub so ntswg ntawm lub ntsej muag lossis daim ntawv tso quav tso quav, cov neeg siv khoom yuav tsum xaiv cov kev raug cai thiab cov khw muag khoom muaj npe kom tsis txhob muaj cov khoom cuav lossis cov khoom tsis zoo. Cov khoom zoo li no yuav raug kev txom nyem los ntawm cov teeb meem zoo- xws li cov kab mob ntau dhau los yog cov tshuaj fluorescent whitening agents - uas ua rau muaj kev pheej hmoo rau kev noj qab haus huv.
2. Ua tib zoo saib xyuas cov khoom zoo
Ntsuas qhov zoo los ntawm kev tshuaj xyuas lub ntim. Cov neeg siv khoom yuav tsum ua tib zoo xyuas cov ntawv cim khoom, suav nrog tus lej daim ntawv tso cai tu cev, hnub tsim khoom, lub neej txee lossis hnub tas sijhawm, tus lej siv tau, thiab cov chaw tsim khoom lub npe thiab chaw nyob. Cov ntsaws ruaj ruaj ntawm ob sab nrauv thiab ib lub pob yuav tsum du thiab airtight; cov khoom nto yuav tsum huv si thiab uniform nyob rau hauv thickness, nrog ib tug mos zoo nkauj thiab zoo seals.
3. Tsis txhob siv ntau dhau
Thaum yooj yim, kev siv ntau dhau ntawm cov ntaub so ntswg ntawm lub ntsej muag thiab cov ntaub so quav tuaj yeem ua rau muaj teeb meem ib puag ncig. Cov neeg tau txais kev pab yuav tsum sim txo qhov zaus thiab qhov ntau ntawm kev siv, xav txog kev siv tshuaj ntxuav kom rov siv tau dua. Tsis tas li ntawd, cov ntaub so ntswg siv thiab cov ntawv tso quav yuav tsum muab pov tseg rau hauv cov khib nyiab pov tseg kom tsim nyog los pab txhawb kev siv cov peev txheej zoo thiab txo cov pa phem.
4. Xyuas kom muaj kev nyab xeeb siv
Tsis txhob sib cuag nrog cov chaw rhiab xws li qhov muag lossis qhov ncauj kom tsis txhob muaj qhov tsis xis nyob. Tsis tas li ntawd, tsis txhob siv cov khoom no los so cov khoom siv hluav taws xob lossis cov khoom hlau, vim qhov no tuaj yeem tsim hluav taws xob zoo li qub lossis puas qhov chaw. Cov tib neeg uas muaj kev xav tau tshwj xeeb-xws li cov neeg muaj kev fab tshuaj- yuav tsum xaiv cov khoom tsim nyog rau lawv tus mob thiab saib xyuas qhov tsis zoo tom qab siv.
