The document summarizes a group presentation on psychological hazards in the occupational environment and measures to prevent them. It discusses five types of health hazards including physical, chemical, biological, mechanical, and psychological hazards. It defines psychosocial hazards as job interactions that can negatively impact employee health. Examples of psychological hazards are high workload, lack of decision making control, and poor organizational culture. Preventive measures suggested include supervisor training, participatory ergonomics, good job design, career development opportunities, and employee involvement in decision making.