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boring | |||
drilling | |||
drilling The act of boring holes in the earth for finding water or oil, for geologic surveys, etc. |
borrning : 23 phrases in 7 subjects |
Coal | 3 |
Earth sciences | 1 |
Industry | 1 |
Life sciences | 1 |
Mechanic engineering | 2 |
Oil / petroleum | 13 |
Transport | 2 |