 |
| leakage detector: 30 phrases in 12 subjects |
| British usage, not spelling | 1 |
| Electric machinery | 2 |
| Electrical engineering | 1 |
| Electronics | 4 |
| Energy industry | 1 |
| General | 1 |
| Measuring instruments | 4 |
| Occupational health & safety | 1 |
| Rail transport | 1 |
| Signalling | 8 |
| Technology | 4 |
| Transport | 2 |