http://safety-video.com/index.php?main_page=index&cPath=8
Slate and Artsmith - The flame of a candle is a beautiful little light that shines on bright in the dark as a symbol of hope, and truth. And yet, behind the symbolic importance of the candle, there is a chemical truth that is inescapable. It is the life of the fire, and the nature of the candle, and it determines whether the flame ignites and how long it lasts when it does.