With firewood or charcoal, fire tends to be strong, and if fire is too strong during the steaming process, rice may be burned black and stick to the bottom of the pan.
薪や炭火は火が強くなりがちで、最後の蒸らす過程で火が強すぎると、鍋底にご飯が黒く焦げ付くこともままあった。