| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | anthracite | United States | Anthracite is a popular choice for home heating fuel due to its high heat output and long burn time. | 1 |
| 2 | anthracite | United States | Anthracite is a valuable and widely used type of coal for heating and industrial purposes. | 1 |
| 3 | anthracite | United States | Anthracite is a high-quality, clean-burning coal often used for residential heating and industrial purposes. | 1 |
| 4 | anthracite | United States | Used as a high-quality fuel for heating and power generation | 1 |
| 5 | anthracite | United States | Commonly used as a high-quality heating fuel in households and industries | 1 |