tremely useful for training activities in the manufacturing pro- cess. On the other hand, augmented reality software integrates the real world with virtual objects, which coexist in the same real world: this capability will allow a more dynamic interac- tion with the real manufacturing process. A mixed reality tool is a type of software where real world and virtual world ob- jects are presented together within a single device and not in a full-scale environment. It provides an overlapping of virtual with augmented reality. Finally, overlay tools usually generate 2D overlapping of information to the real world thus allowing in a more dynamic and simple way the data transmission for the manufacturing area.