This disclosure describes a chopper stabilized instrumentation amplifier. An attenuating spacer between the first cladding portion and the second cladding portion is formed from a smart material. The display is electronically connected to the controller to illustrate the images captured by the front, the rear and the roadway video cameras. Liquid phosphorus is then separated from the water. This invention is used to create a framework for exchanging catalogue information between the vendors or vendors of IT products and a customer or a PSP acting on behalf of one or more customers. The invention expresses user’s handling of the vehicle by virtual feelings on the assumption that the vehicle has a personality, and displays the virtual feelings by facial expressions of a predetermined character.