News editors obtained the following quote from the background information suppli ed by the inventors: “A moving body may refer to an object that may move by usin g wheels or other means. In recent years, with development of robot technologies, moving bodies in various forms have been developed. For instance, a moving bod y having a four-wheel structure with no steering device may be utilized in a fie ld of unmanned delivery or the like. As an example for performing a steering fun ction, a four-wheel structure robot with no steering device may have wheels that may be rotated forwards and reversely.
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