 |
| crack growth: 77 phrases in 23 subjects |
| Agriculture | 1 |
| Astronautics | 1 |
| Automated equipment | 1 |
| Aviation | 16 |
| Bridge construction | 2 |
| Construction | 1 |
| Electronics | 1 |
| Energy industry | 17 |
| Forestry | 1 |
| Makarov | 4 |
| Materials science | 1 |
| Mathematics | 1 |
| Mechanic engineering | 1 |
| Mechanics | 2 |
| Metallurgy | 3 |
| Military | 1 |
| Nanotechnology | 6 |
| Physics | 3 |
| Rail transport | 1 |
| Silicate industry | 3 |
| Strength of materials | 1 |
| Technology | 8 |
| Transport | 1 |