particulate matter: 36 phrases in 17 subjects |
Construction | 1 |
Ecology | 6 |
Electronics | 1 |
Energy industry | 4 |
Environment | 2 |
Foundry | 1 |
Makarov | 4 |
Medical | 1 |
Military | 3 |
Oil and gas | 2 |
Oil and gas technology | 1 |
Pharmacology | 2 |
Pharmacy and pharmacology | 3 |
Scientific | 1 |
Technology | 2 |
Waste management | 1 |
Water resources | 1 |