Friction welding spins so fast and burns so hot that it looks like the excess orange metal is something that’s not meant for this world. The metal pipes forge together so colorfully (and almost ...

https://stock.adobe.com/ca/images/close-up-of-a-craftsman-s-hands-welding-a-copper-pipe-sparks-flying-as-the-metal-is-fused-together/1630593150?prev_url=detail ...