Sis kev cais
1) Raws li lub substrate faib: muab faib ua BOPP daim kab xev, daim ntaub kab xev, daim kab xev daim kab xev, daim kab xev xev, PVC daim kab xev, daim ntawv paj ntaub ntawv, PE ua daim kab xev ua luaj.
2) Ua raws li kev ua tiav: ib daim ntaub thaiv ib sab thiab ob tog sib sau.
3) Raws li kev lag luam nkag mus rau: yuav muab faib ua suab paj nruag, tshwj xeeb daim kab xev.
4) Raws li daim ntawv thov: yuav muab faib ua lus ceeb toom, ntaub pua plag, ntaub ntawv pov thawj, nplaum zaj duab xis, tshuab xev fawm, kaw daim kab xev thiab lwm yam.
5) Raws li qhov chaw nruab nrab kub nruab nrab: faib tau mus rau hauv qis txias, daim kab xev hauv tsev, daim ntaub nplaum siab.
