wire - zwit
- working up
- working voltage
- working week
- working width
- working-day
- workload
- workload model
- workman
- workmanship
- works
- works committee
- works council
- works manager
- works packaging
- works regulation
- works' civil defense
- workshop
- workshop equipment
- workshop inspection gauge
- workshop layout
- workshop microscope
- workshop practice
- workspace envelope
- workstation controller
- world
- world coordinate
- world coordinate system
- world coordinates
- worm
- worm drive
- worm gear
- worm gearbox
- worm reducer
- worm shaft
- worm stirrer
- worm wheel
- worm-gear transmission
- worm-geared transmission
- worm-wheel drive
- worsening
