Kev tso tawm ntawm kev txhaj tshuaj pwm yog qhov teeb meem tseem ceeb hauv kev tsim pwm, tshwj xeeb tshaj yog nyob rau kev txhaj tshuaj nrawm, qhov yuav tsum tau tso tawm ntawm txhaj tshuaj pwm yog nruj dua
1. Huab cua cia hauv qhov txheej txheem casting thiab pwm qhov kab noj hniav.
2. Qee cov ntaub ntawv nyoos muaj cov dej uas tsis tau qhuav thiab uas tau vaporized rau hauv chav sov ntawm qhov kub siab.
3. Roj tso tawm los ntawm kev txiav txim siab ntawm qee cov plhaw tsis khov vim tias qhov siab txhaj tshuaj tiv thaiv.
4. Qee qhov ntxiv rau hauv cov khoom nyoos yas ua kom nrov lossis hloov nrog ib leeg los tsim cov pa roj