Ntawv Laminating Tshuab

1. Qhov nolub tshuabFeem ntau yog siv rau cov ntawv sau thiab cov ntawv khoom, xws li tawv ntawv thiab tawv ntoo, ntawv thiab ntaub, thiab lwm yam.
2. Kev siv ntawm cov kua nplaum ob zaug, thiab cov kab xev, thiab siv lub log, yob ntau dua, zoo nkauj, kov yeej cov ntawv wrinkle Nyob rau hauv lub tshuab dav dav, txhim kho cov khoom lag luam zoo.