On this planet, gravity decides how the flame burns. Many of the sizzling gases inside the flame are much hotter (and less dense) in comparison to the bordering air, so that they shift upward towards lessen pressure. Classification is vital because it determines the very best method for extinguishing a https://fireratedductworthinsulat91234.blogrenanda.com/42977119/car-park-extract-systems-an-overview