air pumping: 141 phrases in 32 subjects |
Astronautics | 1 |
Automated equipment | 5 |
Automobiles | 2 |
Aviation | 2 |
Biology | 1 |
Cement | 1 |
Combustion gas turbines | 1 |
Construction | 6 |
Drilling | 1 |
Ecology | 2 |
Electrical engineering | 6 |
Electronics | 1 |
Engineering | 3 |
General | 6 |
Geology | 1 |
Makarov | 11 |
Metallurgy | 1 |
Military | 1 |
Mining | 8 |
Nautical | 15 |
Oil / petroleum | 9 |
Oil and gas | 3 |
Oil and gas technology | 1 |
Polygraphy | 3 |
Rail transport | 1 |
Refrigeration | 11 |
Road works | 3 |
Sakhalin S | 1 |
Technology | 24 |
Thermal engineering | 7 |
Transport | 1 |
Weapons of mass destruction | 2 |