Yuav ua li cas ntxuav lub kauv raj? Kuv yuav qhia nws ntawm no.
1. Qee lub sij hawm lub kauv raj ua rau qhov tsis ncaj ncees lawm ntug vim qhov nyuaj khoov ntawm cov hlau band. Qhov tshwm sim no tshwm sim los ntawm cov duab tsis zoo thiab qhov tseeb ntawm cov hlau siv lub taub hau thiab tus Tsov tus tw thaum tsis txiav.
2. Ua kom tshem tawm xeb ntawm qhov chaw.
3. Yog vim li cas rau qhov tsis ncaj ncees lawm yog vim hais tias ntawm ntug ntawm txoj siv hlau tsis zoo, yog li thaum xaiv cov khoom siv raw, koj yuav tsum xaiv cov khoom zoo thiab lav lub tsev rau kev yuav khoom. Vim hais tias cov kav raj yog tsim los ntawm cov khoom siv raw ua los ntawm cov hlau, nws yog qhov tseem ceeb thaum siv cov khoom siv. Nyob rau hauv no txoj kev, lub kauv raj yuav ua rau xeb thiab corrosion. Yog li ntawd Nws yog qhov tseem ceeb.
Lwm txoj kev yog kev tu ib txwm, tab sis nws tsis tuaj yeem yaug ncaj qha nrog dej. Kev tu ntau ntawm no yog hais txog kev siv cov kuab tshuaj qias neeg kom tshem tawm cov kav raj.
