chemical agent : 55 phrases in 18 subjects |
Agriculture | 3 |
Animal husbandry | 1 |
Aviation | 2 |
Chemistry | 2 |
Earth sciences | 1 |
Ecology | 3 |
Electronics | 4 |
Explosives and Explosive Ordnance Disposal | 1 |
Genetics | 1 |
Metallurgy | 1 |
Oil / petroleum | 4 |
Plastics | 3 |
Polymers | 2 |
Space | 8 |
Surgery | 1 |
Technology | 13 |
Textile industry | 2 |
United Nations | 3 |