 |
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| étude du projet par des ingénieurs spécialisés | |||
| service mécanique | |||
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| services d'ingénierie | |||
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Engineering Service : 60 phrases in 11 subjects |
| Aviation | 38 |
| Communications | 2 |
| Construction | 7 |
| Economics | 1 |
| Education | 1 |
| Electronics | 2 |
| General | 2 |
| Information technology | 1 |
| Name of organization | 2 |
| Natural sciences | 1 |
| Patents | 3 |