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hole diameter: 35 phrases in 16 subjects |
Aluminium industry | 1 |
Astronautics | 2 |
Automated equipment | 1 |
Automobiles | 1 |
Electronics | 1 |
General | 1 |
GOST | 1 |
Mining | 4 |
Oil / petroleum | 8 |
Oil and gas | 1 |
Oil and gas technology | 2 |
Oilfields | 1 |
Production | 1 |
Technology | 5 |
Transport | 3 |
Wood processing | 2 |