The course will be evaluated as follows: Final exam: 60% Examination of the theoretical aspects developed in the subject. Practices: 25%. The assistance will be assessed as well as the delivery of a report. Labour and assistance visits to companies: 15% Consist of the analysis of the methods of manufacture of a product proposed by the student, teacher prior approval. The content of this work will be described in ads/subject material for individual courses. Both practices are working as volunteers. The student who want, can access to an exam, (by request 20 days in advance) written ending in which the theoretical and practical aspects of the subject are evaluated.