Risk assessment is a procedure which establishes the level of danger, noxiousness and effort concerning work injuries, professional diseases, diseases related to the vocation and work process disorders that could cause adverse consequences for employees' health and security. The risk assessment can be made by the person authorized, but if used for one's own needs it can also be done by the employer. The risk assessment process consists of data gathering at work place, analysis and gathered data assessment, measure planning in order to remove or reduce the danger level, noxiousness and effort and of risk assessment documentation. Participating in the risk assessment is obligatory for the employees, their representatives, authorized persons and Safety at Work experts and the employer includes other specific area experts if necessary. An important part of risk assessment is recognizing the danger. The working group which participates in risk assessment should gather information about danger and dangerous situations related to specific work place and other. The analysis and assessment means recognizing danger, danger valuations, noxiousness and effort, establishing measures to remove or reduce danger, noxiousness and effort. Finally, the risk assessment results in measure plans to remove or reduce the level of danger, noxiousness and effort. This plan has deadlines, authorized persons who implement these measures and a way to control the implementation.