Nyob hauv txhua txhua hnub, tsis muaj teeb meem dab tsi los xij, tej teeb meem yuav tshwm sim tau ntev. Tshwj xeeb tshaj yog cov khoom siv hlau, tom qab cua thiab nag, feem ntau xeb ntawm qhov chaw. Deep qhov drills tsis muaj qhov kos. Lawv yuav xeb yog tias lawv siv ntev. Yog li, kev tiv thaiv dab tsi tiv thaiv yuav zam tau xeb? Nov yog qee cov tswv yim los tiv thaiv kev sib sib zog nqus qhov drills ntawm rusting.
1. Feem ntau, thaum siv cov roj thiab lub tsho ci roj hmab siv rau kev kho lub cev, cov yeeb yaj kiab roj yuav tsum muaj teeb meem thiab tsis tu ncua, thiab yuav tsum tsis muaj cov txheej txheem tsis sib xws thiab tsis muaj los yog cov npuas.
2. Rau qhov xeb xeb, nws yuav tsum tau ntxuav kom zoo zoo nrog cov dej huv. Yog tias tsis pom muaj xeb, cov khoom raug nyiag los yog cov roj ntsha muaj nyob tom qab kuaj, cov xeb pov tseg yuav tsum tau ua kiag tam sim ntawd.
3. Raws li ntev raws li cov khoom hauv lub tsev muag khoom raug muab ntxuav, koj yuav tsum tiv thaiv qhov tob tob ntawm kev xeb. Yog hais tias cov khoom tau xeb, lawv tuaj yeem tsis raug muab tso rau hauv lub tsev muag khoom, thiab lawv tsis muaj peev xwm dho, kom tsis txhob muaj kev sib koom tes thiab ua rau lwm qhov chaw xeb.
4. Hauv cov txheej txheem ua txhua yam, txiav cov roj thiab txiav cov dej uas ua tau raws li tus qauv yuav tsum raug xaiv kom tiv thaiv xeb; Ntxiv mus, thaum kawg, nws xav tau kev pab kom zoo zoo thiab xeb pov thawj.
5. Rau seem ntawm qhov sib sib zog nqus ntuag tom qab quenching nyob rau hauv cov hlwv ua kom sov, nws yog qhov yuav tsum tau ntxuav tag nrho cov ntsev residual hauv lub sijhawm.
Nws ntseeg tias cov neeg ua haujlwm tuaj yeem tiv thaiv kev sib sib zog nqus qhov drilling ntawm rusting ntev li ntev tau lawv tau tiav cov ntsiab lus saum toj saud tsib.
