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dumb bell : 34 phrases in 15 subjects |
Antennas and waveguides | 3 |
Astronomy | 1 |
Cement | 2 |
Chemistry | 2 |
Construction | 3 |
Electronics | 1 |
Gymnastics | 1 |
Household appliances | 2 |
Makarov | 5 |
Mathematics | 1 |
Medical | 2 |
Oil / petroleum | 1 |
Plastics | 1 |
Polymers | 6 |
Technology | 3 |