Clay becomes very hard when it is put in a fire or a special oven called a kiln.

VOA: special.2009.01.12

Not at the same time, but the reason we have any written evidence at all is that there was some kind of conflagration that produced a fire that baked clay into pottery.

虽然不是在同一时间,不过我们能发现这些可读记录,全靠这些意外的火灾,将那些粘土烧制成了陶器

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To make a package out of ceramics you have to fire it, like a clay pot, at an extremely high temperature.

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The combination of the clay oven and the fire from underneath also chars the fish.

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It was grilled in a ketsi, a red clay dish, over an open fire, weighted down by heavy river stones.

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