tray rail
waste-disposal unit
- involuntary slow & twisting movement
- involuntary smoking
- involuntary sterilization
- involuntary stress leave
- involuntary tattooing
- involuntary trust
- involuntary unemployment
- involuntary unemployment insurance
- involuntary weight gain
- in-voluntary withdrawal
- involutary
- involutary function
- involute
- involuted
- involutedly
- involute gear
- involute gearing
- involute gear tooth
- involutely
- involute-profile-measuring instrument
- involutes
- involute spline
- involute spline broach
- involuting
- involution