Ua ntej, lub ntsiab cai ntawm kev txhaj tshuaj molding: tom qab txhaj tshuaj molding siv cov kua kom sov, nws muaj peev xwm ua kua rau kom sov, nws muaj peev xwm ua kua rau kom sov, , lub cev yas cov khoom yog ntiab tawm tom qab qhib cov pwm.
Ob, plaub lub ntsiab ntawm kev txhaj tshuaj molding: 1. Yas Pwm 2. Txhaj Tshuaj Molding Tshuab 3. Yas Raw Khoom 4. Sib sau tus mob