delayed-action: 71 phrases in 30 subjects |
Aviation | 2 |
Chemistry | 1 |
Construction | 3 |
Drilling | 2 |
Electrical engineering | 1 |
Electronics | 1 |
Energy industry | 1 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 2 |
Hydrology | 2 |
Leather | 1 |
Makarov | 2 |
Medical | 4 |
Military | 20 |
Military aviation | 1 |
Mining | 1 |
Nautical | 2 |
Occupational health & safety | 1 |
Oil / petroleum | 2 |
Oil and gas | 1 |
Oil and gas technology | 1 |
Patents | 3 |
Photography | 1 |
Plastics | 1 |
Programming | 3 |
Rail transport | 1 |
Technology | 6 |
Water resources | 1 |
Weapons and gunsmithing | 1 |
Weapons of mass destruction | 1 |