sound -insulation : 48 phrases in 15 subjects |
Automobiles | 1 |
Aviation | 3 |
Construction | 25 |
Energy industry | 1 |
Environment | 1 |
Firefighting and fire-control systems | 1 |
General | 1 |
Librarianship | 1 |
Makarov | 1 |
Metallurgy | 1 |
Nanotechnology | 1 |
Natural resourses and wildlife conservation | 4 |
Nautical | 1 |
Refrigeration | 3 |
Technology | 3 |