ground surface: 66 phrases in 23 subjects |
Advertising | 1 |
Antennas and waveguides | 2 |
Construction | 11 |
Ecology | 2 |
Electrical engineering | 3 |
Electrochemistry | 1 |
Gas processing plants | 2 |
Geology | 1 |
Geophysics | 1 |
Hydraulic engineering | 2 |
Librarianship | 1 |
Makarov | 16 |
Military | 4 |
Mining | 1 |
Oil / petroleum | 1 |
Oil and gas | 1 |
Physics | 2 |
Production | 1 |
Road works | 2 |
Seismology | 1 |
Technology | 8 |
Water supply | 1 |
Weapons of mass destruction | 1 |