| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | helix | engineering community | A helical structure is often used in the design of springs for mechanical systems to store and release energy. | 1 |
| 2 | spiral | engineering | Commonly used to describe the shape of a helix or screw thread in mathematics and engineering | 1 |
| 3 | spiral | engineering | Used to describe the shape of a coil or helix, and often seen in mathematical and engineering contexts | 1 |