This is How Mail Was Processed Back in 1970 Not sure why I was able to watch this whole video, I don’t feel any smarter or any better…but I loved it. Facebook Prev Article Next Article Machinery Checkout these cool gadgets... Related Posts Laser Cleaning Is Always Awesome to Watch Muffin Monster Destroys Just About Anything First look at a new wave pool in Australia Laser Cleaning Is So Satisfying; Let’s watch it again Genius Way to Save Parking Space Watch How a Pack Planter Robot Transplant Pansies