Anyone who has ever pounded on a stuck bolt or used an impact wrench to remove a rusty nut knows that vibration really helps. Put that same joint into service and subject it to the right kind of ...

The heat loosens up the rust's grip, making it easy to twist off even the most stubborn nuts and bolts. If you're someone ... especially when you want to remove rusted screws to prevent breakage.

Witness the fascinating process of converting rusty iron into high-quality nut bolts for cranes using a lathe machine. This incredible transformation starts with neglected, corroded iron, which is ...