 |
| safe pressure: 18 phrases in 12 subjects |
| Artillery | 1 |
| Automated equipment | 1 |
| Caspian | 1 |
| Construction | 1 |
| Occupational health & safety | 1 |
| Oil / petroleum | 2 |
| Oil and gas | 2 |
| Plastics | 1 |
| Production | 1 |
| Technology | 2 |
| Tengiz | 2 |
| Transport | 3 |
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