Tam sim no, kev ua lag luam tau muab cov hmoov tshauv ya ya tshwj xeeb hlawv dawb cib tshuab tshuab, tuaj yeem ua si thev naus laus zis kom ua tiav feem ntau ntawm lub Hoobkas tsim, rov ua dua thiab siv cov khoom seem pov tseg ya tshauv, cov hmoov tshauv ya ya yuav raug extruded rau hauv cov duab, thaum kawg tsim, cib kom paub txog kev rov qab siv dua ntawm kev ua lag luam. Tom qab ntawd rau hom cib tshuab yuav ua li cas ua lub luag haujlwm, rau nws cov txheej txheem siv muaj cov ntsiab lus hauv qab no.

Ua ntej ntawm tag nrho cov, peb xav tau ib tug crusher los tsoo lub quicklime. Qhov thib ob, peb yuav tsum muab cov ntaub ntawv nyoos no tso rau hauv lub tshuab sib tsoo kom zoo sib tsoo. Nyob rau tib lub sijhawm, cov khoom siv raw khoom pov tseg, xws li yoov tshauv, yog kev sib tw thiab sib npaug. Thaum kawg, lawv tau muab tso rau hauv cov menyuam kom ceev faj dov, thiab tom qab ntawd lawv tuaj yeem muab tso rau hauv lwm lub cib ua tshuab los tsim thiab compress lawv. Tau kawg, tom qab molding thiab compression, nws yuav tsum tau qhuav li 10 hnub. Tom qab ua tiav ziab, nws tuaj yeem muag hauv khw. Yog li ntawd, thev naus laus zis ntawm ya tshauv dawb hlawv cib tshuab yog qhov zoo heev, uas tuaj yeem paub txog kev siv ntau tshaj plaws ntawm ya tshauv. Nws tuaj yeem siv los ua ib qho ntawm cov khoom siv raw khoom kom paub txog kev rov ua dua tshiab. Tsis tas li ntawd, qhov kev siv tus nqi yog qhov siab, thiab cov pa phem ntawm cov tshauv ya tau raug kho ntau dua.