A method and apparatus for filling a motor having a fluid dynamic bearing is provided. Products comprising such an oil-in-water emulsion is also provided. Therefore, the steering angle of the rear wheels can be reliably prevented from changing from a desired angle. The scoop covers a substantial portion of the second opening, while the ramp covers the remaining portion. The low and high energy beams passing through the automobile are received by an x-ray detector. Also, wet oxide process or a deposited oxide source may be used to laterally form a native oxide of the Al-III\u2013V layer.