A method, a system, a computer readable medium, and an apparatus for providing information related to a configuration file to a user are provided. The robot includes a direction identifying device for identifying directions of the speaker and the listener, and a motor for moving a robot body to a direction identified by the direction identifying device. The filter unit carries out filtering that uses an inverted phase filter, which is matching based on phase correlation. A geothermal system is used for maintaining the operating temperature of the biometric device within the preset temperature range by regulating the temperature of the air within the thermal enclosure. A quasi-interlacing technique is also provided. The injection molding machine comprises a mold-adjusting mechanism mounted to one side of the fixed platen and being coaxial with the tie bars.