 |
| circulating oil: 37 phrases in 20 subjects |
| Automated equipment | 1 |
| Aviation | 1 |
| Caspian | 1 |
| Cement | 1 |
| Drilling | 3 |
| Machinery and mechanisms | 1 |
| Makarov | 2 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Metrology | 1 |
| Oil / petroleum | 6 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oil processing plants | 2 |
| Oils and lubricants | 4 |
| Polymers | 1 |
| Pumps | 1 |
| Rail transport | 3 |
| Technology | 4 |
| Thermal engineering | 1 |