Fire. Man's oldest foe. Capable of heating your mammoth meat, or burning down your whole village.
Even in modern times, where we have long since tamed fire, it can still cause great destruction and loss of life. Thus, people require education as to the best ways to be safe. So, then, knowing that people learn best when someone's being a cock to them, we can provide to-the-point fire safety lessons yelled in simple, constantly repeated lessons.