Raws li lub npe qhia, daim kab xev ntshiab muaj qhov pob tshab uas ua rau lawv haum rau cov ntawv xov xwm lossis cov phiaj xwm.Peb daim kab xev ntshiab tsis zoo li ntim cov ntaub nplaum, nws yog tshem tau ntawm phau ntawv xov xwm / kev npaj, tsis muaj suab nrov.Realize ua luam ntawv, foiling, luam ntawv thiab foiling ntawm no.