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vida útil : 31 phrases in 15 subjects |
Communications | 2 |
Construction | 5 |
Earth sciences | 2 |
Economy | 1 |
Electronics | 5 |
Energy industry | 2 |
Environment | 1 |
General | 4 |
Information technology | 1 |
Materials science | 1 |
Metallurgy | 1 |
Nuclear physics | 1 |
Statistics | 1 |
Transport | 3 |
Waste management | 1 |