This course covers the theories and methods that are used to optimize the mix between corrective maintenance, preventive maintenance (predetermined or condition-based) and modifications. The following topics will be covered in detail: The theory of failure patterns, types of wear and tear, improvement techniques (aiming at reducing failure rates and down times), preventive and condition based maintenance, methods and techniques for inspection (condition-based maintenance), condition monitoring techniques, methods of life extension, and measurement methods and control systems.