| Answer | Crossword Clue |
|---|---|
| DIPSTICKS | Motor-oil level testers |
| instrument | A measuring device used to gauge the level, position, speed, etc., of something, esp. a motor vehicle or aircraft |
| servomechanism | A powered mechanism producing motion or forces at a higher level of energy than the input level, e.g., in the brakes and steering of large motor vehicles, esp. where feedback is employed to make the control automatic |
