Cov txheej txheem nquag siv cov nqus mus ua pwm, tab sis cov pa roj los sis lub tshuab nqus tsev kuj tseem siv tau. Ib qho kev sib txawv ntawm cov txheej txheem ciav hlau raug, hu ua slush casting, ua cov hollow castings. Ntau hom hlau casting yog txhuas, magnesium, thiab tooj liab hlau. Lwm cov ntaub ntawv muaj tin, zinc, thiab lead alloys thiab hlau thiab hlau kuj muab pov rau hauv graphite pwm.
Cov khoom siv yog cov yam ntxwv xws li cov zog, ntxees, lub log, cov iav tsev, cov yeeb nkab siv, cov hnab yas roj, thiab cov tsheb pistons.
Txheej Txheem
Nws muaj plaub lub hom pwm pluaj pliag: lub ntiajteb txawj nqus, nrawm, qis, thiab lub tshuab nqus tsev.