| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | coal mining | China | Coal mining in China is a major industry with difficult working conditions, mirroring rapid urbanization and economic growth. | 3 |
| 2 | coal mining | Appalachian region of the United States | Coal mining has long been a significant industry in the Appalachian region, providing jobs for many people. | 1 |