Raws li kev siv sib txawv thiab cov saw hlau tau muab faib ua plaub hom: Chains tau muab faib ua cov saw hlau: cov saw hlau, convactor saw thiab cov saw tshwj xeeb tshwj xeeb.
1. Kis saw saw: Ib saw hlau tsuas yog siv los hloov fais fab.
2. Conveyor saw: Ib txoj saw hlau tsuas yog siv rau cov ntaub ntawv xa tawm.
3. Traction saw: Ib txoj saw hlau tsuas yog siv rau rub tawm thiab nqa tawm.
4. Tshwj xeeb cov saw hlau: cov saw nrog cov haujlwm tshwj xeeb thiab cov qauv siv tshwj xeeb siv rau cov khoom siv me me.
