Ib qho khoom plig qub thiab tag nrho lub siab rau txhua lub ntees tuaj yeem yog daim txiag ntoo nrog tus sau daim duab. Xws li cov khoom plig yuav dai rau chav ua noj, thaum tau siv tswv yim zoo, vim hais tias pawg thawj coj tuaj yeem siv rau nws lub hom phiaj xav tau.
Qhov tsis tau pom tseeb ntawm qhov khoom plig no yog tias nws tuaj yeem ua raws li lub siab nyiam ntawm tus neeg tshaj plaws, qhia txog qhov uas nws nyiam ntawm lub rooj tsavxwm. Nws tsis siv sij hawm ntau los pleev xim thiab npaj rau nws, tab sis cov txheej txheem no zoo siab heev, thiab feem ntau yuav, qhov kev sim yuav xav rov ua dua.
Lub rooj tsavxwm yuav xav tau ntoo ntoo, vim tias tsis yog txhua xim pleev xim yuav poob rau ntawm cov yas, thiab nws yuav nyuaj rau xaiv cov kua roj vanish rau txheej. Nws yog qhov zoo tshaj plaws los xaiv lub rooj tsavxwm uas tsis tau txiav thiab tsis tiav, nws yooj yim dua rau kev ua haujlwm nrog qhov chaw zoo li no, thiab nws tus nqi qis dua. Qhov no yog qhov tseem ceeb, vim tias qhov tshwm sim yuav tsis zoo li thawj zaug lossis txawm tias zaum thib ob.
Koj tuaj yeem nqa cov xim pleev xim - xim dej, dej gouache, acrylic lossis roj yuav ua. Tab sis nws yog qhov yooj yim tshaj plaws los ua haujlwm nrog roj lossis acrylic: dej pleev xim yuav xav tau ob peb txheej ntawm daim ntawv thov, vim nws yog cov xim pob tshab, gouache ua kom zoo dua tom qab ziab, thiab ob hom xim no tau muab ntxuav nrog dej thiab kis tawm thaum lub sijhawm varnishing. Qee qhov kev kos duab yuav tsim nyog rau tsuas yog xws li cov nyhuv, yog li koj yuav tsum tsis txhob tso tseg cov kev xaiv no kiag li. Cov roj pleev xim qhuav rau lub sijhawm ntev, tab sis tom qab ntawd lawv yuav lo rau ntawm cov txiag yuav luag tas mus li, txawm tias tsis muaj kua roj vanish. Acrylic kuj tseem tsis tuaj yeem ntxuav tawm, tab sis tom qab lub sijhawm ntev dhau los tiv thaiv dej, daim duab yuav poob kev sib cuag nrog lub nplaim thiab cais ntawm nws hauv daim ntawv ntawm cov zaj duab xis.
Kev txhuam hniav yog xaiv nyob ntawm cov xim muaj xaiv. Synthetics yog qhov zoo dua rau kev ua haujlwm nrog roj thiab acrylic, tab sis bristles yuav ua haujlwm ib yam nkaus. Cov txhuam mos mos uas zoo li txhuam pob txha los yog kolinsky tsis siv. Nrog gouache thiab watercolors, koj tuaj yeem siv txhuam txhuam ib qho.
Qhov saum npoo ntawm lub rooj tsavxwm yog ntxuav kom huv, yog tias tsim nyog, lawv hla nws nrog cov ntawv zoo, yog tias muaj ntau yam tsis xwm yeem nyob ntawm nws, tom qab ntawd so nrog ib daim ntaub huv thiab qhuav. Daim duab tuaj yeem raug thov yav dhau los rau ntawm lub rooj tsavxwm nrog ib tus xaum thiab pleev xim raws li tus txheej txheem sau tseg, lossis koj tuaj yeem kos tam sim ntawd nrog cov xim pleev xim ntawm lub rooj tsav xwm.
Ua ntej, cov ntsiab lus loj thiab cov ntsiab lus dav dav tau kos, yog tias muaj keeb kwm yav dhau, tom qab ntawd ua ntej ntawm txhua qhov lawv ua. Tom qab txhua txheej, lub rooj tsavxwm yuav tsum qhuav, uas ua haujlwm qeeb qeeb tsuas yog ua haujlwm thaum pleev xim nrog roj, txij li cov dej pleev xim, acrylic thiab gouache qhuav yuav luag tam sim ntawd, qee zaum tawm mus tsis muaj sijhawm los kho cov kab tsis raug.
Nyob rau tib lub sijhawm, thaum twg ua tau, cov xim ntawm lub teeb rau tsaus yog siv, tshwj tsis yog daim duab nyob ntawm tom qab dub. Cov khoom me tshaj ua kom tiav cov qauv, tsis hais xim, yog ua kom ntev, ua ntej varnishing lossis ziab kawg. Thaum varnished, tus qauv ua tsaus thiab txawv dua. Tom qab 5-6 txheej txheem superimposed, nws nce ntim. Txhua txheej yuav tsum tau qhuav ua ntej thov tom ntej. Cov kua roj vanish yog zoo tshaj plaws thov nrog txhuam txhuam hauv ib txheej nyias thiaj li kom nws qhuav sai. Tuab txheej tuab feem ntau deform thaum qhuav, wrinkles lossis npuas tshwm rau lawv, yog li nws yog qhov zoo dua los thov ob peb txheej nyias nyias.
