 |
| combustion: 757 phrases in 44 subjects |
| Agriculture | 11 |
| Analytical chemistry | 13 |
| Astronomy | 3 |
| Aviation | 4 |
| Bioenergy | 6 |
| Chemistry | 104 |
| Coal | 27 |
| Commerce | 1 |
| Construction | 8 |
| Earth sciences | 28 |
| Ecology | 6 |
| Economy | 1 |
| Electronics | 23 |
| Energy industry | 26 |
| Environment | 84 |
| Finances | 3 |
| Forestry | 7 |
| General | 42 |
| Hobbies and pastimes | 1 |
| Industry | 9 |
| Information technology | 3 |
| Labor law | 4 |
| Law | 3 |
| Life sciences | 4 |
| Loading equipment | 6 |
| Materials science | 6 |
| Mechanic engineering | 75 |
| Metallurgy | 34 |
| Mineral products | 1 |
| Municipal planning | 2 |
| Natural resourses and wildlife conservation | 48 |
| Natural sciences | 18 |
| Nuclear and fusion power | 1 |
| Nuclear physics | 6 |
| Oil / petroleum | 15 |
| Pulp and paper industry | 1 |
| Research and development | 4 |
| Social science | 2 |
| Technology | 37 |
| Textile industry | 5 |
| Transport | 66 |
| United Nations | 6 |
| Wood processing | 1 |
| Радиоактивное излучение | 2 |