An activating device is mounted in a drill string to control the activation and deactivation of an enlargement tool used for enlarging a bore hole. An aspect includes receiving a search request to locate branch prediction information associated with a branch instruction. Methods of making a turbine component having the environmentally resistant coating and coating a Nb-based RMIC substrate with the environmentally resistant coating are also disclosed. In one form, the adapter may carry a seal ring gasket for sealingly engaging an inner wall surface of the cooler reservoir, and an air filter may be provided to filter ambient air drawn into the reservoir. The clip is removably retained on the core so as to apply pressure against each arm toward the yoke such that the arms are retained in contact with the yoke.