Information contained on this page is provided by NewsUSA, an independent third-party content provider. WorldNow and this Station make no warranties or representations in connection therewith.(NewsUSA/ASME) - The face of mechanical engineering is changing -- dramatically. Engineers aged 55 to 60 are retiring, taking vital knowledge with them. The young engineers who will replace them are focused on specialization, branching off into sub-disciplines and job-hopping.