Chinese Blacksmiths Use Massive Five-Story Hammer To Forge A Flange On The Street I don’t know why but I love watching machinery such as this huge five-story hammer. Facebook Prev Article Next Article Machinery Checkout these cool gadgets... Related Posts Twisted Helical End Drill Reduces Cutting Resistance 3D Printers Are Now Printing Houses, Yes, Houses! Your Teeth Are Helping Scientists Build Better Airplanes Bike with Car Tires Welding by Friction is Amazing First look at a new wave pool in Australia