| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | ratchet | mechanical engineering | A common tool for tightening and loosening nuts and bolts, with a ratcheting mechanism that allows for continuous motion in one direction. | 1 |
| 2 | ratchet | mechanical engineering culture | A ratchet is a common tool used for tightening or loosening nuts and bolts in mechanical engineering. | 1 |
| 3 | ratchet | mechanical engineering culture | A device used to allow motion in one direction and prevent it in the opposite direction, commonly used in mechanical systems. | 1 |