Cov ntawv dai nws tus kheej yog tsis muaj tshuaj lom, tab sis nws cov kev tsim khoom thiab tsim kev tsim qauv thiab tsim kev tsim khoom yuav cuam tshuam nws qhov kev nyab xeeb. Cov ntawv hniav zoo nkauj feem ntau yog tsim ntawm cov organic lossis inorganic pigments, kua nplaum, thiab lwm yam kev hem thawj rau tib neeg kev noj qab haus huv raws li kev siv. Txawm li cas los xij, yog hais tias cov ntawv kho hniav muaj cov hlau hnyav lossis lwm cov tshuaj muaj kuab phom, nws yuav muaj kev phom sij rau tib neeg kev noj qab haus huv. Tshwj xeeb tshaj yog rau cov decorations xws li cov ntaub ntawv tattoo uas siv, yog tias muaj kev sib chwv ntawm lub cev lossis lub plab zom zaws thiab yuav ua rau muaj peev xwm txaus ntshai.
Yog li ntawd, thaum xaiv cov ntawv dai, koj yuav tsum them sai sai rau nws cov khoom siv thiab cov khoom siv tsim khoom lossis cov khoom lag luam ib puag ncig yog siv los txo cov peev xwm kev noj qab haus huv.