Peb ib txwm hais txog cov khoom, kev xa khoom, kev thauj khoom thiab lwm yam, tab sis peb tsis hais ib yam dab tsi txog cov pwm tuag casting.
Ntawm no yog ib daim duab ntawm lwm qhov pom ntawm pwm nyob rau hauv txee. Cov pwm yog cov cuab yeej siv los tsim txhua yam khoom. Cov pwm sib txawv yog tsim los ntawm qhov sib txawv. Nws yog feem ntau hais tias pwm, xws li TV teeb, xov tooj plhaub, yas chim thiab lwm yam khoom, cov yas txhaj tshuaj molding pwm txias cua sov software tsim.
