A tilt-sensitive viewfinder indicates the area of an object plane within view of the camera using a visible signal projected from the camera. An inlet duct is associated with the upper ceiling panel and an outlet duct is associated with the lower ceiling panel. The devices for detecting the measurement signal for tapping off the measurement signal are provided exclusively outside the electric machine at connecting conductors used for energizing the electric machine. The reinforcing frame unit is connected to the vehicle frame by reinforcing frame connecting members spaced horizontally andor vertically from the rear axle connecting members. The method also includes issuing the plurality of jobs to the associated data storage resources and receiving information from the data storage resources for the plurality of jobs.