Cov chaw thov cov khoom siv tseem ceeb yog dab tsi?

Cov Hluav Taws Xob Hluav Taws Xob Teb rau koj, muab cov cua sov tau siv dav hauv cov teb hauv qab no:

{{01.} Nrhiav cua sov yog siv rau hauv cov khoom lag luam hlau {}}}}}}}}}}

{{02. metallurgical kev lag luam: Casting cua sov yog siv los ua kom sov thiab lwm yam khoom siv cua sov, kev ua kom sov, Temining .

3. Kev ua cua sov ua lag luam:

{4.} iav kev lag luam: nyob rau hauv lub iav tsim tshuaj, cas rau lwm cov txheej txheem hauv lub khob moulding thiab manufacturing {{1} {1} {1}

{5. Kev Lag Luam Ceramic: Hauv Kev Lag Luam Ceramic, Pob Zeb Ua Cua Sov yog siv los ua cov av nplaum thiab cov pob zeb ua rau cov khoom sib xyaw ua ke thiab cov khoom siv ceramic {}

6. ore smelting: hauv ore smelting, foundry rauv thiab cov tshuab hluav taws kub ua kom muaj cov tshuab hluav taws xob, thiab cov hluav taws xob tawg thiab hluav taws xob tshuab hluav taws xob}

{7.}}}} pa taws ua ke xws li cov khoom siv hluav taws xob, lawv feem ntau siv rau cov khoom siv hluav taws xob, ua kom qhuav, thiab ua ntau cov ntaub ntawv .

Qhov saum toj no yog cov lus teb los ntawm hluav taws xob rhaub cov chaw tsim tshuaj paus thiab lwm yam tsim nyog muaj cov khoom siv hluav taws xob, muab cov khoom siv hluav taws xob tsim nyog ua rau cov khoom siv hluav taws xob tseem ceeb hauv ntau cov txheej txheem kev siv khoom.