penetrant inspection: 45 phrases in 17 subjects |
Astronautics | 2 |
Automated equipment | 1 |
Aviation | 4 |
Construction | 2 |
Electronics | 2 |
Energy industry | 3 |
General | 2 |
Makarov | 1 |
Materials science | 2 |
Metallurgy | 1 |
Oil and gas technology | 2 |
Pipelines | 2 |
Quality control and standards | 3 |
Sakhalin | 1 |
Sakhalin A | 1 |
Technology | 15 |
Welding | 1 |