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| core tube: 40 phrases in 14 subjects |
| Astronautics | 1 |
| Construction | 1 |
| Drilling | 2 |
| Electronics | 2 |
| Energy industry | 1 |
| Mining | 6 |
| Oil / petroleum | 15 |
| Oil and gas | 1 |
| Oil and gas technology | 2 |
| Oilfields | 1 |
| Plastics | 1 |
| Technology | 5 |
| Textile industry | 1 |
| Transport | 1 |
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