Functional tests, toxicological and biochemical analyses necessary for the diagnosis of the effects of professional harmfulness and other etiological factors of expertise with the aim of assessing work ability and recognition of occupational disease. Measuring emission of harmful and hazardous substances in the working environment from given broadcasters. Examination of working environment conditions: microclimate, noise, air pollution and other harmfulness based on which the assessment of the found conditions is given, using the applicable legal regulations in our country, international standards and conventions, Principles of elaboration that define: workplaces with increased health risks, workplaces where disabled workers can work, workplaces with workplace safety hazards, workplaces where additional protection measures are required. Preparation of fire protection plans, analysis of hazard zones and determination of these zones at sites that are endangered by the formation of explosive mixtures Preparation of fire protection rules with an evacuation plan and instructions for handling in the event of a fire. Development of the Main Fire Protection Project. Development of a fire damage restoration plan. Measurement of concentrations of flammable and explosive gases and vapors. Technical control of hydrant networks for fire extinguishing. Design of devices and installations for detection, signalling and fire extinguishing.