| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | butane | Europe | Butane canister used for camping stoves and portable heaters. | 1 |
| 2 | butane | Europe | Commonly used as a fuel for portable stoves for camping and outdoor activities | 1 |
| 3 | butane | Europe | Butane is commonly used as a fuel for portable stoves and camping equipment. | 1 |