1.Ua rau Ntoo Vaj Huam Sib Luag tawg

※     Sab saum toj ntoo vaj huam sib luag tawg

◊Lub ntsiab saw hniav yog blunt heev, nrog ob peb cov hniav;

◊Qhov kev ncua deb ntawm lub ntsiab saw hniav thiab lub vaj huam sib luag ntoo yog luv dhau;

◊Qhov zoo ntawm lub rooj tsavxwm yog qhov tsis zoo, uas txo cov kev pabcuam lub neej ntawm lub ntsiab saw hniav;

※ Lub vaj huam sib luag hauv qab ntoo tawg

◊Tsis muaj qhab-nees saw hniav siv ua ke, tab sis ib leeg saws yog siv los txiav;

◊Cov qhab nias saw hniav yog blunt;

◊Cov qhab-nees saw hniav thiab lub ntsiab saw hniav tsis nyob hauv txoj kab ncaj nraim;

2.Ua rau hlawv ntoo panels thiab saw hniav

◊Lub saw hniav jitters thaum txiav, feem ntau yog vim cov hlau phaj ntawm cov saw hniav tsis zoo los yog muaj teeb meem nrog cov cuab yeej spindle;

◊Lub sawb yog blunt;

◊Qhov ceev ntawm lub tshuab yog siab dhau lossis qeeb dhau;

◊Tus naj npawb ntawm cov hniav tsis sib xws;

3.Vim li cas cov saw hniav tsis ruaj khov

Lub saw hniav muaj ntau cov hniav, thaum saws hniav txiav, cov khib nyiab ntoo chips tsis tuaj yeem tawm, cov saw hniav raug nyem, ua rau cov hniav tsis ruaj.

Qhov tseeb, qhov pom zoo qhov ntau thiab tsawg ntawm cov saw hlau tseem ceeb yog 8 ntiv tes 60T lossis 9 ntiv tes 80T, thiab tom qab ntawd siv nrog cov qhab nias saw hniav, nws tsis tsuas yog ua kom du, tab sis kuj ua haujlwm ntev.