| Answer | Crossword Clue |
|---|---|
| RETROROCKET | Auxiliary engine in space |
| bonnets | the hinged metal part of a motor vehicle body that provides access to the engine, or to the luggage space in a rear-engined vehicle |
| afterburners | An auxiliary burner fitted to the exhaust system of a turbojet engine to increase thrust |
| afterburner | An auxiliary burner fitted to the exhaust system of a turbojet engine to increase thrust |
| borescope | an optical device, eg a prism, used to inspect an inaccessible space eg an engine cylinder |
| borescopes | BORESCOPE, an optical device, eg a prism, used to inspect an inaccessible space eg an engine cylinder |
