A harvester incorporating at least one force balanced shaker vibratory brush as the harvesting apparatus uses a sensing system connected to spring feelers to generate a signal responsive to the location, shape and position of a tree. The method includes receiving a request from the remote source to initiate the video share service, authenticating the sender of the request, receiving a command to start the video share service; and transmitting the output of the service. This opposite strain-dependent carrier mobility change is provided by a straining structure that is configured to impart a temperature-dependent amount of a pre-selected strain type on the channel region. The recording of the position of the first medium by a camera permits the evaluation of a plurality of characteristics, in particular the form, dimension and position of a boundary layer. Moreover, mice vaccinated with the SapM mutant survived significantly longer than mice vaccinated with the parental BCG.