| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | sonar | Europe | Sonar is commonly associated with underwater navigation and detection of objects in naval and maritime operations. | 1 |
| 2 | ultrasound | Europe | Used for medical imaging to monitor fetal development during pregnancy. | 1 |
| 3 | ultrasound | Europe | Used for medical imaging during pregnancy to monitor the development of the fetus. | 1 |