| Hom | Hom | Hom | Siv tau |
| Sjec | 17 link/19 link/24 link/32 link | PA 6.6-30 GF | Siv escalator |
Txhawm rau kom ntseeg tau tias kev ua haujlwm ib txwm muaj ntawm cov saw slew, kev tu thiab tu yuav tsum tau ua. Qhov no suav nrog lubricating cov saw ntawm lub sijhawm tsim nyog los txo kev sib txhuam thiab hnav. Koj kuj yuav tsum tau xyuas cov saw nro kom paub tseeb tias nws nyob hauv qhov tsim nyog. Tsis tu ncua xyuas cov saw rau hnav thiab hloov raws li qhov tsim nyog.