servo
| piston
| servo | |
| mech.eng. | booster; servo |
| piston | |
| chem. | stamp; punch |
| coal. construct. | swab |
| earth.sc. el. | piston |
| el. | adjustable short circuit |
| oil | pig; rabbit; rabbler; scraper; scratcher |
| |||
| booster-; power-; power-assisted; servo- | |||
| |||
| booster; servo | |||
|
servo : 112 phrases in 20 subjects |