wave - wire
- welding upset
- welding V
- welding variables
- welding voltage
- welding wheel
- welding with postheating
- welding with preheating
- welding with pressure
- welding without preheating
- welding-and-forming mill
- welding-up
- welding-up of blowholes
- weldment
- weldor
- welfare building
- well
- well gate
- well-developed crystal
- Wenstrom mill
- western bentonite