Exactly. Oftentimes its not even that they don't have the original design data and files. Sometimes it's that they don't even have the computer and software to open it anymore because it doesn't exist. It's akin to trying to re-shoot a movie with just the script and a few DVDs of the movie. It's like step 1 - boot up your SGI indigo workstation and open this software, if you don't have those two things contact this guy who retired long ago. And then it's a whole engineering project just to open the files