These principles of human resource management encourage the sustainability of the business project of the Group through the people who make it up, endorsed by the feeling of commitment expressed by the employees, substantiated in the results of the last social climate questionnaire elabo rated in the parent company in ral satisfaction) and in other indexes, like non desired external rotation (2.57 %) and the average number of years at the company (10.2 years), without forgetting the effort in contracting over the years which has meant an important rejuvenation in our workforce.