ABSTRACT
All activities in the man-machine-environment system also create the risk state. Risk state influences
health and safety, for example, health injury due to accident or due to long-time influences to the
health. At the same time risk causes economical loses due to failures of machines or due to mechanical
accidents/explosions, fire, destructions. The main goal of all activities of risk management is to control
the risk, to minimize all negative influences, for example, illness, health injury, death and also technical
consequences or major industrial accidents.
