| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | toluene | chemical industry | Toluene is a common solvent and a raw material in the production of industrial chemicals. | 1 |
| 2 | toluene | chemical industry | Toluene is a common solvent and a precursor to many important compounds in the chemical industry. | 1 |