Tuag castingsum feem ntau yog siv los tsim cov khoom lag luam siab xws li lwm cov txheej txheem tsim khoom, tuag casting muaj cov txiaj ntsig hauv qab no thiab qhov tsis zoo:
1.} Nws haum rau huab hwm coj ntau lawm.} Cov khoom lag luam zoo li qub ntawm tuag Casting Khoom Siv, cov khoom siv complex uas tau tsim tau loj.
2. huab cua siab . Txij li thaum tuag casting siv cov khoom lag luam uas muaj kev sib tuag muaj peev xwm raug tswj tau zoo.
3. Qhov chaw zoo yog qhov tsis zoo. qhov teeb meem ntawm kev tuag castions yog qhov tsis zoo thiab cov chaw kho deg tau}
4. Tus nqi qis. Tus nqi ntawm tuag casting khoom siv yog tsawg, yog li tus nqi ntawm txhua cov khoom tuaj yeem liab
