|
pipe run : 31 phrases in 15 subjects |
| Aluminium industry | 1 |
| Construction | 2 |
| Drilling | 2 |
| General | 2 |
| Makarov | 6 |
| Mathematics | 1 |
| Military | 1 |
| Oil / petroleum | 4 |
| Oil and gas | 1 |
| Oilfields | 2 |
| Rail transport | 1 |
| Roll stock | 1 |
| Shipbuilding | 1 |
| Technology | 5 |
| Thermal engineering | 1 |