There is provided a power steering apparatus comprising a torque sensor detecting a steering torque capable of discriminating a normal input and an inverse input without a torsion bar. The apparatus includes an actuator member releasably connected to a controller device for supporting a weight thereon. Collecting may comprise causing a presentation of an environment associated with personal beauty care information to be collected, and receiving the personal beauty care information. The voice-band modem is configured to receive data for transfer to the remote receiver station, encode the data to form a series of encoded packets, and transmit the encoded packets to the remote receiver station using a first modulation scheme. 5% and its method of preparation and its use in a leavening agent for bakery products.