| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | aircraft roadway | Europe | Aircraft runways are an essential part of transportation infrastructure and heavily regulated for safety in the US and Europe. | 1 |
| 2 | hand plane | Europe | Hand planes are commonly used by woodworking enthusiasts and professionals to smooth and shape wood surfaces. | 1 |
| 3 | paper airplane | Europe | Considered a fun and playful activity, often made by children and used for entertainment. | 1 |
| 4 | paper airplane | Europe | Paper airplanes are a common childhood pastime and often used for leisure and play. | 1 |