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| дыхательный путь | |||
| кислородный респиратор | |||
| кислородный изолирующий противогаз; дыхательный аппарат; респиратор | |||
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aparat oddechowy : 40 phrases in 3 subjects |
| Mining | 35 |
| Occupational health & safety | 3 |
| Technology | 2 |
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