| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | gaseous hydrocarbons | Russia | Gaseous hydrocarbons are a major export commodity and contribute significantly to the national economies. | 1 |
| 2 | hydrocarbon | Russia | Often associated with oil and natural gas, as these regions are major producers of hydrocarbons. | 1 |
| 3 | hydrocarbon | Russia | Hydrocarbon extraction and production are major components of the economy, particularly in oil-rich regions. | 1 |
| 4 | hydrocarbon molecule | Russia | Abundant natural resource and crucial for economy | 1 |