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Principles for the realization of a graphical user interface for a tutorial system

This article presents the authors' research for developing the graphical user interface of a tutorial system for training of specialized personnel in Small and Middle Enterprises (SMEs), in order to eliminate or reduce the risks of these enterprises to an acceptable level, according to the European Union directives. The realization of the graphical interface must take into account the characteristics of the end users, who are possibly not advanced in the use of computers and software.