An electromagnetic brake device is assembled to a rear end section of a small-sized motor. Of particular interest are the enantiomers of opioid receptor binding compounds, which can reduce the frequency of the behaviors, while having no effects from binding at the opioid receptor. The computer system may have several memory regions that may be independently controlled and may move memory objects to various memory regions in order to optimize power consumption. The wiper seal is set to come into sliding contact with the guide rail 1 to exert a positive interference of from 0.