 |
|
double-shell : 23 phrases in 15 subjects |
| Construction | 5 |
| Energy industry | 2 |
| Forestry | 1 |
| Geology | 1 |
| Makarov | 1 |
| Military | 1 |
| Mining | 1 |
| Nanotechnology | 1 |
| Oil / petroleum | 1 |
| Polymers | 1 |
| Public utilities | 2 |
| Pulp and paper industry | 1 |
| Technology | 2 |
| Thermal engineering | 2 |
| Transport | 1 |