1. Xaiv qhov tsim nyog saw hniav qauv thiab specifications raws li qhov thiab qhov loj ntawm cov khoom yuav raug txiav.
2. Xyuas kom cov saw hniav txiav nyob rau hauv qhov tseeb, tsis txhob txiav tawm tsam qhov kev taw qhia ntawm cov hniav tig.
3. Khaws cov hniav kom huv si thiab lubricated kom tsis txhob jamming lossis overheating.
4. Saib xyuas cov saw hniav rau hnav thiab hloov tam sim ntawd kom ntseeg tau tias kev txiav thiab kev nyab xeeb.