 |
| field service: 52 phrases in 17 subjects |
| Agriculture | 1 |
| Automobiles | 4 |
| Aviation | 18 |
| Business | 1 |
| Chemistry | 1 |
| Corporate governance | 1 |
| Earth sciences | 3 |
| Economy | 2 |
| Electronics | 1 |
| General | 1 |
| Geophysics | 2 |
| Name of organization | 2 |
| Oil / petroleum | 1 |
| Refrigeration | 2 |
| Space | 4 |
| Technology | 5 |
| Textile industry | 3 |