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in-house design | |||
domestic construction | |||
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domestic construction | |||
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domestic construction |
собственная конструкция: 20 phrases in 10 subjects |
Aviation | 1 |
Building structures | 1 |
Cement | 2 |
Construction | 8 |
Cycling other than sport | 1 |
Economy | 2 |
Energy industry | 2 |
Military | 1 |
Seismology | 1 |
Technology | 1 |