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drilling | |||
drilling from the solid; deep hole drilling | |||
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hurricane |
furação : 35 phrases in 10 subjects |
Coal | 5 |
Earth sciences | 5 |
Electronics | 3 |
General | 1 |
Mechanic engineering | 6 |
Metallurgy | 8 |
Patents | 1 |
Technology | 1 |
Thermal Energy | 1 |
Transport | 4 |