| aileron | |
| transp. | gouverne de gauchissement |
| servo control | |
| transp. | flettner |
| transp. polit. | servo-commande d'asservissement; servo-mécanisme |
| servo controls | |
| IT transp. | asservissements |
| servo-control | |
| IT earth.sc. | servo-commande |
|
lowspeed : 2 phrases in 2 subjects |
| Information technology | 1 |
| Mechanic engineering | 1 |