fan blades: 38 phrases in 15 subjects |
Aviation | 6 |
Construction | 4 |
Electronics | 2 |
Geology | 1 |
Makarov | 3 |
Metallurgy | 1 |
Military | 1 |
Mining | 1 |
Nuclear and fusion power | 1 |
Oil and gas | 1 |
Refrigeration | 1 |
Technology | 11 |
Tengiz | 1 |
Thermal engineering | 3 |
Transport | 1 |