toughness : 129 phrases in 43 subjects |
Astronautics | 2 |
Automated equipment | 2 |
Automobiles | 2 |
Aviation | 4 |
Bridge construction | 1 |
Construction | 2 |
Electrical engineering | 1 |
Electronics | 1 |
Energy industry | 1 |
Firefighting and fire-control systems | 2 |
Food industry | 4 |
General | 6 |
Geology | 1 |
Makarov | 20 |
Materials science | 3 |
Mathematics | 1 |
Meat processing | 1 |
Medical | 1 |
Medical appliances | 1 |
Metal science | 2 |
Metallurgy | 8 |
Military | 1 |
Mining | 2 |
Nanotechnology | 2 |
Nautical | 3 |
Oil / petroleum | 4 |
Oil and gas | 4 |
Physics | 1 |
Pipelines | 2 |
Plastics | 1 |
Polymers | 8 |
Psychology | 2 |
Psychophysiology | 1 |
Quality control and standards | 1 |
Road works | 2 |
Sakhalin | 1 |
Seismology | 2 |
Silicate industry | 1 |
Sports | 1 |
Technology | 15 |
Textile industry | 5 |
Welding | 3 |
Wood processing | 1 |