Maintenance, Condition Monitoring and Diagnostics Maintenance Performance Measurement and Management MCMD 2015 and MPMM 2015 30th September - 1st October, 2015 Oulu, Finland MAINTENANCE AN INVESTMENT IN HIGHER PROFITABILITY | MAINTENANCE AND DIAGNOSTICS | IN PROCESS AND ENERGY INDUSTRY MODEL-BASED DIAGNOSTICS AND CONDITION INDICES | INTERNATIONAL CONCEPT FOR SERVICE BUSINESS CONDITION MONITORING AND DIAGNOSTICS FOR MOBILE VEHICLES | STRESS INDICES IN FATIGUE PREDICTION PANEL – FUTURE DIRECTIONS IN MAINTENANCE | PURITY OF HYDRAULICS COMPONENTS | FUTURE PROSPECTS Conference in Honour of Professor Sulo Lahdelma