 |
| double pumping: 62 phrases in 18 subjects |
| Agriculture | 1 |
| Apollo-Soyuz | 1 |
| Automated equipment | 6 |
| Electrical engineering | 1 |
| Electronics | 1 |
| Energy industry | 4 |
| Military | 1 |
| Mining | 3 |
| Nautical | 5 |
| Oil / petroleum | 3 |
| Oil and gas | 2 |
| Oil and gas technology | 8 |
| Programming | 1 |
| Pumps | 2 |
| Refrigeration | 1 |
| Technology | 17 |
| Telecommunications | 4 |
| Thermal engineering | 1 |