Abstract
Risk control is a methodology to sender unpredictable danger under human control through scientific methods. Still there is always a factor of uncertainty in risk cases. Uncertainly means unpredictability, which implies limit of controllability of human affairs. Thus, disasters with small probability could sometimes happen, and when it did happen, we could not do anything with it. We have to face “absurdity” and somehow to accommodate it. From social viewpoint, we have to find a reasonable methods of “distribution of misfortune” among the people concerned, which are acceptable to the society, and also to help extracting valuable lessons from the “misfortune”.
