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interlocking : 136 phrases in 19 subjects |
Astronomy | 2 |
Chemistry | 1 |
Communications | 24 |
Construction | 6 |
Earth sciences | 3 |
Electric traction | 1 |
Electronics | 4 |
Industry | 11 |
Information technology | 6 |
Labor law | 1 |
Materials science | 9 |
Mechanic engineering | 5 |
Metallurgy | 3 |
Natural sciences | 2 |
Packaging | 1 |
Rail transport | 10 |
Social science | 1 |
Technology | 1 |
Transport | 45 |