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| Зубья долота (Johnny Bravo) | |||
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| резцы бурового долота (Kazuroff) | |||
| обломки породы, откалываемые долотом | |||
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| шарошка долота | |||
| Bit cutters: 162 phrases in 14 subjects |
| Automated equipment | 3 |
| Construction | 3 |
| Drilling | 34 |
| General | 1 |
| Geology | 1 |
| Makarov | 4 |
| Mechanic engineering | 1 |
| Mining | 3 |
| Oil / petroleum | 30 |
| Oil and gas | 16 |
| Oil and gas technology | 5 |
| Oilfields | 55 |
| Sakhalin | 2 |
| Technology | 4 |