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долговечность : 54 phrases in 18 subjects |
Astronautics | 1 |
Chemistry | 4 |
Computers | 7 |
Construction | 11 |
Dentistry | 1 |
Electronics | 1 |
Forestry | 2 |
Hydraulic engineering | 1 |
Information technology | 5 |
Mechanic engineering | 2 |
Metallurgy | 2 |
Natural resourses and wildlife conservation | 2 |
Packaging | 5 |
Patents | 1 |
Radio | 3 |
Reliability | 1 |
Technology | 3 |
Welding | 2 |