perfuração : 118 phrases in 21 subjects |
Cables and cable production | 3 |
Coal | 20 |
Communications | 8 |
Economy | 2 |
Electrical engineering | 1 |
Electronics | 9 |
Energy industry | 2 |
Environment | 3 |
General | 3 |
Industry | 6 |
Information technology | 14 |
Life sciences | 8 |
Materials science | 5 |
Mechanic engineering | 5 |
Medical | 4 |
Metallurgy | 8 |
Natural sciences | 3 |
Oil / petroleum | 9 |
Semiconductors | 3 |
Transport | 1 |
Work flow | 1 |