 |
| precipitator: 278 phrases in 33 subjects |
| Aerohydrodynamics | 1 |
| Aluminium industry | 7 |
| Automobiles | 1 |
| Cement | 1 |
| Chemistry | 5 |
| Construction | 9 |
| Drilling | 2 |
| Ecology | 6 |
| Electronics | 16 |
| Energy industry | 83 |
| Engineering | 1 |
| Forestry | 1 |
| General | 1 |
| Makarov | 15 |
| Medical | 4 |
| Metallurgy | 5 |
| Mining | 7 |
| Natural resourses and wildlife conservation | 23 |
| Nautical | 1 |
| Nuclear physics | 8 |
| Occupational health & safety | 8 |
| Oil / petroleum | 5 |
| Oil and gas | 3 |
| Oilfields | 1 |
| Polymers | 4 |
| Public utilities | 2 |
| Pulp and paper industry | 3 |
| Silicate industry | 4 |
| Technology | 44 |
| Thermal engineering | 3 |
| Weapons of mass destruction | 2 |
| Welding | 1 |
| Wood processing | 1 |