1. Lub tshuab slitting yog siv los txiav tag nrho cov yob los yog cov ntawv ntawm cov ntaub ntawv raw mus rau qhov ntev.
2. Tsau -length slitting tswj yog muab faib ua static thiab dynamic slitting.
3. Qhov taw qhia tseem ceeb tshaj plaws rau kev ruaj khov -length slitting yog slitting raug, ua rau muaj kev sib raug zoo ntawm qhov ntev ntawm cov khoom tiav.
4. Lub slitting ntev tuaj yeem teem caij tas li. Yog tias muaj qhov yuam kev hauv qhov tseeb slitting ntev, nws tuaj yeem yooj yim calibrated los ntawm kev teeb tsa tsis.