It surprises me that the chain cuts so neatly - if you look at the images the cuts look rather clean and surgical. I would have expected it to be more of a crus

It surprises me that the chain cuts so neatly - if you look at the images the cuts look rather clean and surgical. I would have expected it to be more of a crushing and jagged cut. The gear used in these large scale engineering ops is absolutely remarkable, it makes me wish I had a better understanding of our physical world.