1.4.2 Health, safety and security of employees and subcontractors Health and safety Employees of VINCI companies and subcontracting companies are required to work on the increasingly complex projects and operations that the Group carries out. This can threaten their health, safety, hygiene and the quality of their life at work. The health and safety coordinators of the Group’s business lines have identified several types of risk considered as major (see the column “Identifying risks” in the table below).