| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | detector | US | Metal detectors commonly used at airports and public events for security purposes. | 1 |
| 2 | detector | United States | Metal detectors commonly used in airports and public venues for security purposes. | 1 |
| 3 | detector | United States | Metal detector commonly used in airports and security checkpoints | 1 |
| 4 | detector | United States | Metal detectors commonly used for security screening in public places. | 1 |