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herringbone | |||
helical tooth |
spina di pesce: 30 phrases in 12 subjects |
Agriculture | 6 |
Earth sciences | 2 |
General | 4 |
Industry | 3 |
Materials science | 1 |
Mechanic engineering | 3 |
Metallurgy | 1 |
Municipal planning | 4 |
Natural sciences | 1 |
Textile industry | 1 |
Transport | 3 |
Water resources | 1 |