| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | nuclear reactor | Europe | Subject to strict regulations and oversight due to safety concerns | 1 |
| 2 | nuclear reactor | Europe | Nuclear reactors are a common and essential part of the energy infrastructure. | 1 |
| 3 | nuclear reactor | Europe | Source of energy and sometimes a controversial topic due to safety concerns | 1 |