The project had several objectives: For the learners, the aim was to : - enable them to develop their professional, cultural and linguistic skills. Mobility helps to raise the level of their qualifications insofar as it contributes to the validation of the BTS diploma. - strengthen the feeling of European citizenship. For the school, the aim was to : - improve the quality of the training provided, - to contribute to the monitoring of mobility with a view to quality, in compliance with Erasmus quality standards, - strengthen links between the school and its partner companies.