| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | butane | US | Butane canister used for camping stoves and portable heaters. | 1 |
| 2 | butane | United States | Butane is commonly used as a fuel for portable stoves and camping equipment. | 1 |
| 3 | propane | United States | Commonly used as a fuel for heating and cooking in rural areas | 1 |
| 4 | propane | United States | Commonly used as a fuel for heating, cooking, and outdoor grills | 1 |
| 5 | propane | United States | Commonly used as a fuel for residential heating and cooking in rural areas | 1 |