 |
| dust collection: 34 phrases in 15 subjects |
| Astronomy | 1 |
| Automobiles | 1 |
| Construction | 1 |
| Ecology | 2 |
| Electronics | 1 |
| Energy industry | 3 |
| Food industry | 1 |
| General | 1 |
| Industry | 1 |
| Metallurgy | 4 |
| Natural resourses and wildlife conservation | 8 |
| Polymers | 1 |
| Technology | 4 |
| Thermal engineering | 2 |
| Wood processing | 3 |