In the world, gravity determines how the flame burns. All the warm gases while in the flame are much hotter (and less dense) compared to bordering air, so that they transfer upward towards lower force. 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。 Per risolvere un simile problema, è necessario sapere esattamente dove si trova https://choosing-the-right-fire-s34456.designertoblog.com/67525424/top-benefits-of-hiring-a-local-fire-risk-assessment-company-secrets