| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | axletree | US | Used in the construction of horse-drawn carriages and early automobiles. | 1 |
| 2 | axletree | US | Axletrees are an essential component of cars and other wheeled vehicles. | 1 |
| 3 | axletree | United States | Axletrees are common components of traditional horse-drawn wagons and carriages. | 1 |