Txij nkawm cov tsheb nres hnyav nres
Lubyim thauj hnyav yog qhov tseem ceeb heev rau kev nyab xeeb rau txoj kev kev nyab xeeb {{0} .
Firstly, tshawb xyuas cov ntaub ntawv nres tsis tu ncua . saib lawv cov tuab; Thaum lawv mus txog ntawm kev coj tsis pub dhau, feem ntau nyob ib ncig {millimeters, hloov lawv tam sim no. Lub teeb ntawm resolved los ntawm resolved los ntawm resurfacing, tab sis kev puas tsuaj loj yuav tsum yog hloov .
Thib ob, cov kua dej nres yuav tsum tau mloog zoo li lub sijhawm ua kom npau raws lub sijhawm, uas tuaj yeem hloov cov khoom lag luam boils thiab 24} kua kom tsis txhob muaj qhov teeb meem sib xyaw .
Thib peb, soj ntsuam cov pa tsheb nres hauv cov xaim hluav taws xob kom tsis tu ncua thiab cov khib nyiab, los sis kev tiv thaiv kev xeb thiab valosion .
Thaum kawg, kev xeem cov kab ke hauv lub cev, suav nrog cov kev ntsuas siab ntawm cov pa tsheb, koj tuaj yeem txuas ntxiv cov kauj ruam kev tswj hwm ntawm huab cua - los ntawm kev nyab xeeb ntawm txoj kev tsheb kho mob hnyav thiab kev tiv thaiv kev nyab xeeb {2}
