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counterflow : 101 phrase in 33 subjects |
| Automated equipment | 1 |
| Automobiles | 1 |
| Cement | 1 |
| Chemistry | 2 |
| Construction | 11 |
| Electronics | 3 |
| Energy industry | 4 |
| Food industry | 3 |
| Forestry | 1 |
| General | 1 |
| Geography | 1 |
| Immunology | 1 |
| Makarov | 2 |
| Mechanic engineering | 1 |
| Medical | 3 |
| Metallurgy | 3 |
| Military | 3 |
| Mining | 2 |
| Nanotechnology | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nautical | 1 |
| Non-destructive testing | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 2 |
| Oilfields | 2 |
| Physics | 1 |
| Polymers | 3 |
| Refrigeration | 9 |
| Silicate industry | 6 |
| Solar power | 1 |
| Space | 1 |
| Technology | 19 |
| Thermal engineering | 8 |