Cov koob txhaj tshuaj uas siv tau pov tseg yog cov tshuaj kho mob thiab tsis tuaj yeem pov tseg ntawm qhov zoo li cov khoom pov tseg, thiab muab tso rau hauv lub thoob khib nyiab kom rov ua dua tshiab. Hom kev pov tseg kev kho mob no feem ntau raug kho nyob rau hauv qhov nruab nrab thiab tsis muaj kev phom sij. Cov txheej txheem suav nrog kev hlawv, kev puas tsuaj thiab kev tua kab mob, thiab kev faus tob tom qab hlawv. Thaum siv lub thawv kev nyab xeeb rau kev hlawv, qhov kub yuav tsum siab tshaj 800 ° C txhawm rau txo qis pa phem; yog tias tsis muaj lub thawv kev nyab xeeb, lub qhov cub hluav taws kub qis dua (300 ° C txog 400 ° C) kuj tseem siv tau. Hauv cov cheeb tsam uas tsis muaj cov neeg tua hluav taws thiab cov tua hluav taws, txoj kev faus tob tom qab kev tua hluav taws tuaj yeem siv tau.
Kuv xav ceeb toom rau txhua tus neeg ntawm no tias rab koob uas siv tas pov tseg yuav tsum tsis txhob siv dua tshiab raws li xav tau. Yuav muaj qee qhov tshuaj nyob hauv cov koob txhaj tshuaj uas tsis tuaj yeem ntxuav tau, yog li peb yuav tsum xyuam xim rau nws thiab tsis tuaj yeem tsis quav ntsej nws. Kuv xav tias nws tsis zoo coj nws rov qab thiab siv nws. tsis pub