A railroad car truck bolster may be formed as a steel casting. At least during the adjustment measurement, the B1 field is influenced within a second region counter to the manipulation intended in the first region by means of an auxiliary coil element which is arranged in or at the second region of the sub-volume remote from the first region. A redistribution trace layer, including at least a redistribution trace, is formed over the active surface in a manner to electrically connect to the bonding pads. The covering member is more flexible than the chip reinforcement member. The effect bonus is based on one or more attributes of the nearest tweened object to the term, such as a location, a size, a shape, or a color.