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 |