1. Graduate Program in Production Engineering, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil
2. Department of Mechanical Engineering, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil
3. Faculty of Science and Engineering, Geology and Mineralogy, Åbo Akademi University, Turku, Finland
4. Production and Systems Graduate Program, UNISINOS, São Leopoldo, RS, Brazil