• Metal bellows are extremely sensitive and responsive. • They can be helium leaktight. • Metals bellows can be made with infinite fatigue life. Metal bellows are used for hermetic seals, volume ...

This video showcases the traditional craft of blacksmithing as a metal spring is transformed into a large cleaver. Using time-tested forging techniques, the craftsman heats, hammers, and shapes the ...

If you have paid close attention to power lines, you might have noticed metal spring-like structures close to the transmission towers. These spring-like structures are known as lightning arresters, ...