Lub saw hniav yog ib lo lus dav dav rau nyias, puag ncig cutter siv los txiav cov khoom siv. Cov hniav tuaj yeem muab faib ua: pob zeb diamond saw hniav rau pob zeb txiav, kev kub ceev steel saw hniav rau cov hlau txiav (tsis muaj cov khoom siv carbide), thiab tungsten carbide pom cov hniav rau txiav cov khoom ntoo, rooj tog zaum, ntoo-raws li panels, aluminium alloys, aluminium profiles, radiators, yas, yas hlau, thiab lwm yam.
