(1) Nws raug nquahu kom kho qhov ceev ntawm cov saw maus taus mus rau 15mm-20mm hauv lub sijhawm, thiab tshawb xyuas cov ntuav khoom nquag.
Kev nqa lub cev thiab sau cov roj tawm raws sijhawm, vim hais tias cov kabmob kev ua haujlwm ib puag ncig yog hnyav, ib zaug lub lubrication ploj, qhov kev puas tsuaj tuaj yeem
Yuav ua tau zoo, thaum cov kabmob raug puas lawm, nws yuav ua rau lub nraub qaum toothed disc, thiab lub teeb yuav ua rau sab ntawm cov saw saw coj.
Cia cov saw hlau tawm ntawm lub ntsej muag.
(2) Ntxiv rau kho cov nplai raws li cov ncej kho kom haum, cov saw kuj tseem siv los saib lub hauv ntej thiab nram qab saw khi thiab txuas tes.
Txawm hais tias cov kab txaij txuas rau tib txoj kab, vim hais tias lub thav duab lossis nraub qaum raug puas ntsoog tas, tom qab deformation, kho raws nws cov nplai
Cov saw hlau yuav nkag mus rau qhov tsis nkag siab, yuam kev xav hais tias cov saw hlau yog nyob rau tib txoj kab, qhov tseeb, txoj kab ncaj nraim tau raug rhuav tshem,
Nws yog qhov tseem ceeb heev los kuaj qhov no (nws yog qhov zoo tshaj rau coj nws thaum kho)
