Koj yuav tsum paub dab tsi thaum yuav khoom refractory cib?

Raws li tus neeg yuav khoom ntawm cov cib ua hluav taws xob, txhawm rau yuav cov cib siv hluav taws xob ntau, koj tsuas yog yuav tsum txiav txim siab qhov ntsuas, qhov loj me, kev ua tau zoo thiab lwm yam ntaub ntawv ntawm cov cib hluav taws xob, thiab sab laj nrog cov chaw tsim khoom cib hluav taws xob seb nws puas tuaj yeem tsim tawm, seb nws puas tuaj yeem ua tau raws tau hais tseg qhov yuav tsum tau ua, thiab seb cov txheej txheem cib ua hluav taws xob tuaj yeem ua tau raws li cov yam ntxwv thiab lwm yam ntaub ntawv, qhov no yog qhov yooj yim tshaj plaws ntawm cov tuam txhab ua cov cib hluav taws xob.