The need for backup diesel generators in a data center is obviated by using fuel cells to convert a fuel to electrical energy, which provide backup power to equipment in a data center, which may include the servers in the data center and other important systems that normally use utility power. The computer system provides a predefined document description. The the telematics center uses the data that has been provided to produce the authorization automatically. Because the portable measurement device is not dedicated to a particular local data collection server, the portable measurement device periodically or a periodically broadcasts a message attempting to find a data collection server with which to establish a communication link. In one form the foil sheet is held adjacent a rotating machine tool by vacuum and a cutting tool is moved relative thereto to cut a spiral groove.