The safety is one of the biggest priorities for the leading nuclear industry. It receives specific attention with the application of rules as well as setting up of actions adapted to the accidentology and specificities for each of the categories.Equally, in this context, the work which had started on the realization of this project refers to the creation, to project rollout and the measurement of tool’s efficiency on work of dismantling with the mutual goal: The long-term memorization of the security rules by the employees.The explanation of their origins relies on measuring knowledge of workers and an analysis of the existing tool’s feedback. Thus, their development was focused, on the on hand, around measured needs during this study and, ...