Thaum micronaire tus nqi ntawm cov paj rwb nyoos yog ib txwm, cov paj rwb nyoos uas muaj qhov zoo thiab ntev zoo sib xws muaj cov xov paj zoo sib xws, lub zog siab, tsis muaj xov paj muaj zog tsis sib xws, zoo paj rwb nyoos fineness, ntau cov xov paj hauv ntu, cov xov paj muaj zog thiab me me ib lub xov paj muaj zog tsis sib xws.
2, Txhim kho qhov sib xyaw ua ke ntawm cov khoom siv raw
(1) Tsim nyog tsim ntawm paj rwb bale txheej.
(2) Xyuas kom meej tias qhov nruj ntawm cov paj rwb bale yog ib yam nkaus. Cov khoom siv rov ua dua tshiab thiab tawg yuav tsum tau ntim thiab muab tso rau hauv lub nplhaib sab hauv ntawm lub disc.
(3) Txiav qhov caulking kom tus neeg nqa khoom tuaj yeem ntes txhua feem.
(4) Thaum lub phaj ntawm cov khoom siv raw yuav luag tiav, sau cov paj rwb tawg tawg hauv qab thiab muab tso rau hauv phaj tom ntej.
(5) Qhov hnyav tsis sib xws ntawm lub tshuab ua daim npav yuav tsum tau tswj nruj me ntsis, thiab qhov tsis sib xws sab nraum lub sliver yuav tsum raug tswj tsis pub dhau 1.4%.
