| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | gas | Japan | Often used for heating water for bathing | 1 |
| 2 | gas | Japan | Commonly used for heating water in on-demand water heaters | 1 |
| 3 | helium | Japan | Used in cooling systems for nuclear reactors and superconducting magnets | 1 |
| 4 | helium | Japan | Less commonly known and used in everyday life | 1 |
| 5 | helium | Japan | Used in industrial processes and for cooling superconducting magnets. | 1 |