A thrust race of a thrust roller bearing has a race portion and a cylindrical portion extending from the race portion in an axial direction. The harness has one or more harness connectors at respective terminating regions of the flexible printed circuit board for joining the harness to complementary connectors. By activating the second launcher which has power saving features, the power consumption of the mobile electronic device is reduced and thus the battery life is extended while preserving the basic functions of the mobile device. The body of the blade is characerized as having cut out areas distributed throughout the blade body to capture and remove the debris from the kerf.