токсичные химические вещества : 29 phrases in 13 subjects |
Astronautics | 8 |
Ecology | 3 |
Energy industry | 2 |
General | 1 |
GOST | 1 |
Material safety data sheet | 1 |
Military | 2 |
Nanotechnology | 2 |
Occupational health & safety | 1 |
Scientific | 1 |
Technology | 3 |
United Nations | 2 |
Weapons of mass destruction | 2 |