Turn the gas down or wait for the charcoal to become low-burning embers. (Oven roasting and baking are done at lower temperatures so fewer HCAs are likely to form.)
请把煤气关小或者直到木炭快烧完才烤(用烤箱烘烤时，温度越低，可能产生的杂环胺就越少)。
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A cylindrical oven made of clay, heated to a high heat over charcoal or wood, and used in India for baking bread and roasting meat.
The paper introduces the process, process design and achieved economic and social benefit of charcoal black production in which coke oven gas takes the place of fuel oil.