Qhov zoo ntawm cov ntaub nplaum khi cov ntaub ntawv yog nyob ntawm ntau yam ntawm cov ntaub ntawv siv hauv lawv cov kev tsim kho, los ntawm cov ntawv mus rau cov nplaum nplaum. Cov phau ntawv sau feem ntau siv cov qauv chaw ua haujlwm- qib ntawv, feem ntau 70-80gsm hauv qhov hnyav, uas yog tuab txaus los tiv thaiv tus number case los ntawm kev los ntshav, txawm tias muaj ob - sab saud. Cov ntawv xaiv xim, xws li pastel lossis ci ntxoov ntxoo, siv cov xim sib xyaw ua ke rau hauv cov ntaub so ntswg thaum tsim khoom, ua kom cov xim nyob ib puag ncig txhua nplooj ntawv. Cov nplaum nplaum yog ib qho tseem ceeb: cov kua nplaum kub-kua nplaum, feem ntau siv hauv kev khi zoo meej, muaj zog thiab hloov tau, cia tus txha nraub qaum kom khoov yam tsis muaj qhov tawg txawm tias tom qab rov qhib thiab kaw. Qee cov phau ntawv hwm zoo siv PUR kua nplaum, uas muaj kev tiv thaiv zoo dua rau kev hloov pauv kub thiab ya raws, ua rau kev sib khi ntau dua nyob rau hauv huab cua lossis huab cua.
Lub npog ntawm cov ntaub nplaum khi cov ntaub ntawv kuj txawv nyob ntawm qhov xav tau siv. Cov phau ntawv hauv tsev kawm ntawv tej zaum yuav siv daim ntawv nyias nyias, thaum lub chaw ua haujlwm -cov ntawv tsom xam feem ntau muaj cov ntawv tuab tuab lossis laminated npog rau kev tiv thaiv ntxiv. Cov kua muag tawm - tawm strip, ib qho tseem ceeb hauv ntau cov qauv tsim, yog tsim los ntawm cov kab perforated thaum lub sij hawm txiav cov ntawv, tso cai rau cov nplooj ntawv tshem tawm kom huv si. Kev txiav txim siab ib puag ncig kuj tseem cuam tshuam rau kev xaiv cov khoom siv nyob rau xyoo tas los no, nrog ntau lub tuam txhab muab cov ntawv nplaum nplaum ua los ntawm cov ntawv siv dua tshiab lossis siv cov kua soy-raws li inks rau luam ntawv. Cov kev xaiv ruaj khov no thov rau eco-cov neeg siv khoom paub txog thaum tswj hwm tib theem ntawm kev ua haujlwm thiab zoo.
