A tool for retrieving metal objects from a wellbore has a plurality of magnet assemblies spaced longitudinally along a tool body. The plural electronic options include electronic option terms established by one or more suppliers who can supply the goods or services. The controller receiving operational data from the sensors and comparing the data to stored operational standards to determining if turbine operation conforms to the standards. In other embodiments, a groove extends radially outward from a surface of at least one component for supporting a bearing shell to a side of the component.