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 Computational Thermoforming Cutting Through Metal Like Butter Is So Satisfying How Dyson Machines Are Made This Tree Cutting Machine Is Monstrous (And Monstrously Satisfying) Welding by Friction is Amazing Laser + Welding + 3D Printer