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balance | |||
reflection | |||
symmetry |
симетрія: 48 phrases in 13 subjects |
Astronautics | 2 |
Aviation | 2 |
Chemistry | 17 |
Construction | 1 |
Electronics | 1 |
General | 4 |
Information technology | 5 |
Mathematics | 2 |
Metallurgy | 9 |
Military | 2 |
Mineralogy | 1 |
Technology | 1 |
Telecommunications | 1 |