Cov lus qhia kev sib cais yog ib qho kev tseem ceeb hauv ntau kev lag luam, suav nrog mining, ub no, thiab metallurgy. Nyob rau hauv lub plawv ntawm cov txheej txheem no dag tus yuam sij sib nqus, ib qho cuab yeej uas ua rau cov khoom siv ferrod los ntawm cov tsis muaj kev sib xyaw ua ke. Nkag siab txog qhov feature

Cov lus qhia txog cov toj roob hauv pes-evololting ntawm kev ua lag luam ua thiab kev tswj hwm ntawm cov khoom siv pivotal hauv kev ua haujlwm ua haujlwm thiab cov khoom lag luam zoo. Raws li kev lag luam siv zog kom ua kom tiav lawv cov txheej txheem ntau lawm, qhov tseem ceeb ntawm cov khoom siv meej cl

Cov ntsiab lus ntawm kev ua haujlwm tiag tiag thiab kev ua haujlwm ntawm kev tswj hwm ntawm cov ntaub ntawv noo nyob hauv cov ntaub ntawv yog qhov tseem ceeb ntawm kev ua tau zoo thiab cov khoom lag luam zoo. Noo noo tshem tawm tsis tsuas yog txhim kho kev tuav thiab ua cov ntaub ntawv tab sis tseem ua lub luag haujlwm tseem ceeb hauv kev txo qis