| efficient abbr. | |
| gen. | eficaz; valiente |
| Operators abbr. | |
| unions. | Operarios |
| operator abbr. | |
| commer. fin. | operador |
| commun. | operadora; organismo explotador |
| fin. | participante |
| health. | industrial |
| lab.law. | operario |
| math. | el operador |
| transp. | empresario; explotador |
| test abbr. | |
| gen. | ensayar; examinar; testar; ensayo; prueba |
| auto. | revisar |
| forestr. | experimento |
|
reasonably : 10 phrases in 8 subjects |
| Communications | 2 |
| Construction | 1 |
| General | 1 |
| Life sciences | 1 |
| Nuclear physics | 2 |
| Patents | 1 |
| Risk Management | 1 |
| Transport | 1 |