Lub neej kev pab cuam ntawm carbide saw hniav yog ntev npaum li cas ntawm carbon steel thiab high-ceev hlau. Qee qhov teeb meem yuav tsum tau them sai sai rau thaum siv los txhim kho kev txiav lub neej.Kev hnav ntawm cov saw hniav yog muab faib ua peb theem. Lub zog alloy uas nyuam qhuav tau sharpened muaj ib tug thawj coj theem, thiab ces nkag mus rau lub zoo sib tsoo theem. Thaum hnav mus txog ib theem, hnav ntse.
Nyeem ntxiv...