материал для покрытия : 24 phrases in 12 subjects |
Chemistry | 1 |
Construction | 2 |
Mechanic engineering | 1 |
Military | 2 |
Natural resourses and wildlife conservation | 1 |
Oil / petroleum | 3 |
Plastics | 1 |
Polymers | 7 |
Road works | 2 |
Technology | 2 |
Water supply | 1 |
Wood processing | 1 |