Lub thawv ntim cov thawv ntawv feem ntau xav tau qee cov txheej txheem tshwj xeeb, xws li gloss gloss, matte kua nplaum, gloss roj, thiab lwm yam, uas feem ntau yog raws li cov hauv qab no.
1. Tiv thaiv cov xim ntawm cov ntawv luam tawm. Lub ntsej muag daim ntawv luam tawm ntawm cov xim thawv ntim yog luam nrog tus cwj mem. Nyob rau hauv qhov kev txiav txim ntawm ultraviolet lub teeb, nws yog ib qho yooj yim ua rau fading ntawm cov ntaub ntawv luam tawm.
2. Cov nyhuv dej tsis zoo, vim tias lub thawv ntim xim yog cov khoom siv ntawv, txhawm rau tiv thaiv cov dej tsis zoo;
Txhim kho qhov ci ci ntawm cov khoom, tom qab kev kho tshwj xeeb saum npoo, ua rau cov khoom muag muag, ntxhib zoo nkaus li zoo
