Kev tsim cov txheej txheem ntawm viav vias chains yuav tsum tau ua raws li qee cov qauv. Cov saw txuas yuav tsum tau ua tiav kev txiav, tsim, thiab vuam txheej txheem kom paub meej qhov ntev thiab cov duab tsis tu ncua.
Welds yuav tsum tau ua qhov tsis yog -kev kuaj kev puas tsuaj kom ntseeg tau tias qhov vuam zoo thiab tsis muaj qhov tsis xws luag xws li tawg thiab porosity.
Tsis tas li ntawd, kev kho saum npoo ntawm cov saw hlau yuav tsum ua raws li cov qauv tsim nyog. Piv txwv li, stainless hlau chains yuav tsum polishing los txhim kho lawv corrosion kuj thiab zoo nkauj; carbon steel chains yuav tsum tau galvanizing lossis pleev xim kom tsis txhob xeb.