Hauv kev ua haujlwm ntawm kev ua hlau, cov cuab yeej muaj yog cov khoom lag luam zoo, cov tsos zoo thiab kev lag luam zoo nkauj, nrog rau qhov teeb meem tseem ceeb hauv kev ua lag luam tawm tsam.
Cov tsos cov yam ntxwv ntawm cov cuab yeej yog feem ntau yog pom nyob hauv qhov chaw ua tiav, xws li kev ua tiav zoo tshaj plaws cuam tshuam nrog kev ua tiav zoo dua lossis lub plhaub ua kom tau cov khoom lag luam zoo tshaj plaws hauv tebchaws txawv teb chaws pauv . Cas Castings nrog cov nplaim thaiv cov ntxhib yuav xav tau kev sib tsoo ntxiv lossis txau tus nqi qis dua cov neeg siv dej.
Cov duab ua kom raug yog yog ib qho ntawm cov cim tseem ceeb ntawm kev sib txawv ntawm kev sib dhos, xws li kev ua haujlwm tseem ceeb ntawm kev ua haujlwm tseem ceeb ntawm kev ua haujlwm tseem ceeb Shrinkage nyob rau hauv lub casting, nws yuav tsis tsuas cuam tshuam kev sib dhos, tab sis kuj tseem yuav ua rau cov neeg siv khoom rov qab lossis thov.
Cov yam tsis xws luag yog qhov tseem ceeb rau kev txiav txim siab muaj xws li cov kev ua lag luam ua kom pom kev tsis xws luag cov qauv . Cov chaw muag khoom yuav tsum ua kom ntseeg tau tias cov kab ke los ntawm Xoo Hluav Taws Xob, tsis li ntawd lawv tuaj yeem ntsib txoj kev pheej hmoo ntawm kev txiav txim siab kom tshem tawm {}}
Cov tuam txhab ua lag luam txawv teb chaws trading los ntawm cov khoom lag luam xws li cov khoom lag luam txawv teb chaws. kev xav tau ntawm cov kos duab {}}
Hauv cov ntsiab lus, cov tsos pom ntawm cov cametings yog ncaj qha rau cov txheej txheem thoob ntiaj teb thiab kev ua kom tau txais txiaj ntsig txawv teb chaws cov qauv hauv ntiaj teb no.
