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| контроль чистоты воды и воздуха; поддержание чистоты | |||
| обеспечение качества изделия | |||
| quality maintenance: 13 phrases in 10 subjects |
| Automated equipment | 1 |
| Ecology | 3 |
| Energy industry | 2 |
| Makarov | 1 |
| Military | 1 |
| Occupational health & safety | 1 |
| Oil / petroleum | 1 |
| Sakhalin | 1 |
| Technology | 1 |
| Water supply | 1 |