It used a proprietary magnetic-pulse welding process, for example, to develop a lightweight, one-piece aluminum driveshaft that improves fuel efficiency for both light vehicle and commercial truck customers.

FORBES: After A Decade of Debacles, Auto Parts Supplier Dana Is Back In Gear

So technically demanding is the sealing process that the company had to create its own welding expertise no supplier was up to the task.

ECONOMIST: Espresso coffee