1. Hauv kev ua haujlwm tiag tiag ntawm cov khoom siv yas hose, nws yog ib qho tsim nyog yuav tsum ua raws li cov qauv kev cai nruj me ntsis, txwv tsis pub nws yuav ua rau lub tshuab puas thiab cuam tshuam rau nws lub neej kev pab cuam.
2. Kawm los ntawm cov chaw tsim khoom ntawm cov khoom siv yas hose, yog tias lub tshuab ua tsis tiav, tam sim ntawd nres lub tshuab ua haujlwm thiab cov khoom siv, thiab nug cov neeg ua haujlwm tu cov neeg ua haujlwm kom ua tiav cov kev daws teeb meem, thiab tos kom txog thaum kho qhov txhaum tiav, cov yas hose Cov khoom siv ntau lawm tuaj yeem siv tau.
3. Tsis tu ncua xyuas kev siv ntawm txhua feem ntawm cov khoom siv yas hose, thiab daws nws raws sijhawm yog tias muaj qhov txawv txav. Nyob rau tib lub sijhawm, nws tseem yuav tsum tau kuaj xyuas seb cov khoom siv roj lubricating ntawm cov khoom siv yas hose puas txaus, thiab yog tias muaj qhov tsis xws luag, nws yuav tsum tau muab ntxiv rau lub sijhawm kom tsis txhob cuam tshuam rau kev ua haujlwm ntawm lub tshuab.
