1.1 Feem ntau siv rau hauv cov chaw tshawb fawb thiab cov chaw tsim khoom siv yas (roj hmab, yas), hluav taws xob rwb thaiv tsev thiab lwm yam khoom siv rau kev kuaj xyuas kev laus. 1.2 Qhov kub siab tshaj plaws ntawm lub thawv no yog 300 ℃, qhov kub ua haujlwm tuaj yeem yog los ntawm chav tsev kub mus rau qhov kub ua haujlwm siab tshaj plaws, hauv qhov ntau no tuaj yeem xaiv tau ntawm qhov xav tau, tom qab xaiv tau los ntawm lub kaw lus tswj tsis siv neeg hauv lub thawv kom khaws qhov kub tas li.

