This tool appears to use heat generated by high-voltage to cut through metal and other materials. This tools makes it possible for many jobs to be done in the Amtrak shops that would otherwise be much more difficult.
The photos in this slide show were taken in the mid-1990's by Steve Grande on his Amtrak travels throughout the nation. The size of the photos is purposely smaller as disk space was expensive and download speeds were slower at that time.
