| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | flap | aviation industry | Flaps are used to increase lift during takeoff and landing, improving the aircraft's performance and safety. | 1 |
| 2 | flap | aviation industry in the US | Flaps are essential components of airplane wings, used to increase lift during takeoff and landing. | 1 |
| 3 | flap | aviation industry in the US | Flaps are commonly used during takeoff and landing to increase lift and drag on an aircraft. | 1 |