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 This is How Mail Was Processed Back in 1970 High-speed Steady Flight in Confined Spaces for Tethered Quadrocopters 3D Cold Spray Repairs Any Metal Component to Its Former Glory Use Your GoPro As A Drone With This Quadcopter These Gears Are Synched at 4,500 RPM How Dyson Machines Are Made