A driving mechanism for radio-controlled clocks includes a gear having a pre-decided point and a permanent magnet including an N pole and an S pole is secured to the gear. In at least one embodiment it is displayed in a decorative image display region and a decorative frame is displayed in a peripheral section of the decorative image so that the decorative frame has a width that is not less than onefold of the width of a frame structure. The bone screwguide tool attachment includes an undercut andor recess so as to resist separation of the guide tool member from an attached bone screw. A resilient member is disposed within the opening between the contact element and the contact spring. The selected virtual documents are then categorized and stored in the database corresponding to the user. The biomarker processing may be carried out in association with or completely independent of ERP testing.