| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | refine | Western countries | Refining raw materials into finished products is a common practice in industries. | 1 |
| 2 | refine | Western countries | Refining processes often used in industries like oil, sugar, and metal refining. | 1 |
| 3 | refine | Western countries | In Western countries, refining crude oil into petroleum products is a major industry and essential for transportation and energy. | 1 |
| 4 | refine | Western countries | Refining typically refers to the process of improving something, such as refining oil or refining a skill. | 1 |
| 5 | refining | Western countries | Refining of oil is a key process in the production of gasoline and other petroleum products. | 1 |