An object is to provide a deposition method in which a gallium oxide film is formed by a DC sputtering method. The electric power steering assembly includes a steering member, a one piece integral ball nut and pulley member, a lone bearing unit, and an electric motor. Analyzing the business processes to identify specific activities performed in executing the processes may be done by developing scenarios for using the portal in performing the respective activities and examining the scenarios to identify the patterns for performing the respective activities.