In the world, gravity determines how the flame burns. Every one of the incredibly hot gases during the flame tend to be hotter (and fewer dense) as opposed to encompassing air, so they go upward towards lessen pressure. 知乎,让每一次点击都充满意义 —— 欢迎来到知乎,发现问题背后的世界。 What precisely are Those people orange flames? Rolfo Rolf https://fire-safety-consultant89011.blogs100.com/36819532/what-to-expect-during-a-fire-risk-assessment-things-to-know-before-you-buy