| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | helium | South Asia | Not commonly associated with household use and festivities | 1 |
| 2 | natural gas processing plant | South Asia | Key industry due to abundant natural gas reserves and exports | 1 |
| 3 | pure natural gas | South Asia | Used as a major source of energy for industrial and power generation purposes | 1 |