Ntau hom kev txhaj tshuaj molding tshuab rau cov tuam txhab tsim khoom yas
Ntau hom kev txhaj tshuaj molding tshuab rau cov tuam txhab yas tsim cov tuam txhab Kev tsim khoom lag luam vam khom rau cov khoom siv ntau yam los ua ntau yam khoom. Cov khoom siv yas yog tsim los ntawm cov txheej txheem hu ua txhaj tshuaj molding. Qhov no yog daim ntawv tsim nyog ntawm kev tsim cov khoom yas vim nws ...