A method of enabling assisted visual development of workflow for an application task. The data processing system determines a mathematical transformation of internal service quality data obtained from the plurality of internal data sources to obtain a customer satisfaction value. The mode select circuit is coupled to the mixer core and includes third and fourth switches, which are collectively configured to operate in either a first state corresponding to the bypass mode, or a second state corresponding to the mixing mode. The ducts are arranged in a direction perpendicular to a traveling direction of the vehicle body and mounted so as to penetrate through both side surfaces of the vehicle body. Sensors have applications in rotor speed detection, magnetic field detection, read heads, and MRAM, for example.