Cov zaub mov hlau muaj lub peev xwm-coj tau muaj peev xwm loj thiab tuaj yeem tiv thaiv loj loj ntws ntawm cov neeg thiab khoom.
Lawv muaj cov khoom tawm tsam zoo thiab tuaj yeem txhim kho kev nyab xeeb ntawm cov neeg taug kev thiab tsheb dhau mus.
Cov zaub mov steel yog yooj yim rau nruab thiab disassemble, thiab saws tus qauv tsim los txo lub sijhawm tsim kho thiab tus nqi.
Raws li ib puag ncig cov khoom siv nyob ib puag ncig, cov hlua hlau tuaj yeem siv tau thiab rov siv dua.
Hauv cov ntsiab lus, cov pob zeb steel yog cov khoom siv ntau yam thiab dav dav hlau cov khoom siv. Nrog nws cov qauv tshwj xeeb thiab lub zog siab, lawv ua lub luag haujlwm tseem ceeb hauv kev tsim kho niaj hnub thiab kev lag luam. Thaum siv cov ntaub pua av steel, nws yog ib qho tsim nyog los xaiv cov khoom tsim nyog, tshwj xeeb thiab cov qhab nia zoo raws li cov kev xav tau thiab kev siv ib puag ncig. Nyob rau tib lub sijhawm, nws kuj tseem yuav tsum tau them sai sai rau lub installation, nkawm thiab kev saib xyuas steel gratings kom ntseeg tau tias lawv cov haujlwm ntev.
Hauv cov ntawv thov tiag tiag, nws raug pom zoo rau cov kws tshaj lij lossis xa mus rau cov qauv kev tsim nyog thiab kev xaiv ntawm steel gratings sib ntsib kev nyab xeeb thiab kev xav tau.