Related Clues:
- Machine shop tooth
- Tooth on a gearwheel
- ___ sci, college major related to psych
- Small stone lodged in baby tooth
- Note ascending space vehicle -- there's a rotating mechanism
- Unimportant employee — good company at first
- Little part of a big wheel
- Rotating tooth
- Small pressure against early locomotive wheel
- Small part of a machine
- Watch gear's tooth, e.g
- Small gear wheel
- It may be in the works
- Interlocking part of a machine
- Part of a machine