| |||
extended |
en traccion : 45 phrases in 13 subjects |
Agriculture | 2 |
Automobiles | 2 |
Earth sciences | 7 |
Electric traction | 3 |
Electronics | 2 |
Materials science | 2 |
Mechanic engineering | 1 |
Metallurgy | 2 |
Natural sciences | 1 |
Packaging | 1 |
Technology | 1 |
Textile industry | 1 |
Transport | 20 |