Resume
This work is cataloged in the Scientific Portal. Officially published in SHO 2005 - International Symposium on Occupational Safety and Hygiene (2005). Referenced as: "Miguel, A. S.; Perestrelo, G.; Arezes, P.; Vasconcelos, M. T.; Freitas, M.; Machado, J. M.; Lopes, F.; Azevedo, R.; Paiva, A. R.".