Cov kev pabcuam lub neej ntawm yas steel qhov rooj thiab cov khoom siv lub qhov rai tsuas yog siv, kev pab cuam, cov kev pab cuam ntawm lub neej ntawm cov yas steel thiab cov khoom siv lub qhov rai yog li 10 txog 20 xyoo. Tshwj xeeb:
Cov Khoom Siv Zoo: Zoo-Khoom Yas Steel Qhov Rooj thiab Cov Khoom Siv Hluav Taws Xob feem ntau yog ua los ntawm cov khoom siv zoo thiab thev naus laus zis ntau dua. Xaiv cov hom muaj npe zoo nkauj thiab cov khoom zoo yog tus yuam sij los ua haujlwm ntev thiab ruaj khov ua haujlwm ntawm cov khoom siv.
Zaus ntawm kev siv thiab kev saib xyuas: nquag siv thiab tsis muaj kev tu xyuas kom tsim nyog yuav ua rau cov khoom siv sai dua thiab txo nws lub neej pabcuam. Kev tshuaj xyuas tas li, kev tu thiab kev txij nkawm tuaj yeem txuas ntxiv cov kev pabcuam lub neej ntawm cov khoom siv.
Kev ua haujlwm ib puag ncig: Qhov cuam tshuam ntawm kev ua haujlwm ib puag ncig ntawm cov khoom siv tsis tuaj yeem tsis quav ntsej. Harsh ua haujlwm ib puag ncig (xws li kub siab, av noo, cov tshuaj muaj xeb, thiab ua kom nrawm dua nws lub neej pabcuam. Yog li ntawd, nws yog ib qho tseem ceeb heev los xaiv qhov chaw ua haujlwm tsim nyog thiab ua kom muaj kev tiv thaiv tsim nyog.
