вершина конуса: 86 phrases in 16 subjects |
Astronautics | 1 |
Automated equipment | 13 |
Automobiles | 4 |
Aviation | 2 |
Dentistry | 8 |
Gear train | 8 |
Geology | 2 |
Makarov | 6 |
Mass media | 6 |
Mechanic engineering | 7 |
Mechanics | 8 |
Nautical | 8 |
Navigation | 1 |
Orthopedics | 1 |
Technology | 3 |
Transport | 8 |