Vim li cas cov txheej txheem tshem tawm cov hmoov tsim nyog hauv cov txheej txheem ua cov thawv xim? Nyob rau hauv cov txheej txheem luam ntawv ntawm daim ntawv, thiaj li yuav kom qhuav tus number case kom sai li sai tau, hmoov txau tshuab yog siv los ua kom lub tshuab ziab khaub ncaws kom qhuav. Feem ntau, tsuas yog ib sab ntawm cov khoom luam tawm yuav tsum tau txau thiab lwm sab tsis tas yuav tsum tau txau. Txawm li cas los xij, nyob rau hauv cov txheej txheem ntawm cov hmoov txau, cov hmoov av tsis yooj yim los tswj, yog li feem ntau cov plua plav tawm ntawm sab nraud ntawm cov khoom luam tawm tsis tas yuav tsum tau txau, thiab cov plua plav no muaj kev cuam tshuam ntau dua. txheej txheej ntawm cov khoom luam tawm, uas yooj yim ua rau lub nrawm ntawm cov yeeb yaj kiab txo qis, thiab cov yeeb yaj kiab tau tsim. Thiab lwm yam teeb meem.
Ua ntej cov ntawv luam tawm yog coated, nws yog ib qho tsim nyog yuav tsum tau ua haujlwm tshem tawm cov plua plav. Feem ntau, ob peb txhuam cov chais raug ntsia kom tshem tawm cov plua plav ntawm qhov chaw ntawm cov khoom luam tawm. Txhawm rau txhim kho cov plua plav tshem tawm, lub tshuab nqus dej tsis zoo yuav raug teeb tsa. Ncaj nraim nqus cov plua plav tshem tawm kom tsis txhob muaj qhov sib txuas ntawm cov plua plav ntawm cov khoom luam tawm. Yog tias nws yog lub tshuab laminating tsis siv neeg, cov cuab yeej siv tshuaj tshem tawm cov hmoov zoo yog ntsia rau pem hauv ntej ntawm lub tshuab, thiab cov cuab yeej tshem tawm cov hmoov feem ntau tuaj yeem ua tiav cov txiaj ntsig ntawm kev tshem cov hmoov ua ntej daim ntawv nplaum.