wire - zonn
- working floor
- working fluid
- working gauge
- working instruction
- working lining
- working member
- working orthogonal wedge angle
- working part
- working pass
- working period
- working properties
- working regime
- working service
- working side clearance
- working side rake
- working side wedge angle
- working slag
- working step
- working strength
- working stress
- working tension
- working the heat
- working volume
- working volume-to-hearth area ratio
- working-holding attachment
- workpiece
- workpiece shape control
- works engineer
- works management
- works manager
- workshop condition
- workshop crane
- worm conveyor
- worm tube sampler
- woven-wire screen
- WPS
- WR
- wrap
- wrap round
- wrapped electrode