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[email protected] в категроии Английский язык, вопрос открыт 30.06.2018 в 17:11

1. The engineer has repaired the broken part of the engine.
2. The method used depended upon the material.
3. Unless examined carefully the substance must not be used.
4. When produced the equipment wil be sent to different works.
5. The new device developed by our researches has been demonstrated at the exhibition.