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Экономические науки Written by Super User 1437
Строительство Written by Super User 1388
Транспорт Written by Super User 1391
Сельскохозяйственные науки Written by Super User 1412
Двигателестроение Written by Super User 1348
Машиноведение Written by Super User 1377
Биологические науки Written by Super User 1426
Химические науки Written by Super User 1345
Физика Written by Super User 1373
Астрономия Written by Super User 1406

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