| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | aircraft engine | Europe | Aircraft engine is a crucial component for air travel, and its efficiency and reliability are crucial for safety and performance. | 1 |
| 2 | engines | Europe | Engines are a key component of cars and other motor vehicles. | 1 |
| 3 | gas turbine | Europe | Commonly used for power generation and jet propulsion | 1 |
| 4 | internal combustion engine | Europe | Commonly used in automobiles for transportation | 1 |
| 5 | turbine | Europe | Commonly used in power generation and aviation | 1 |
| 6 | turbojet | Europe | Common type of jet engine used in commercial and military aircraft | 1 |
| 7 | turbojet | Europe | Commonly used in military and commercial aircraft | 1 |