![]() |
worm wheel : 53 phrases in 18 subjects |
Armored vehicles | 3 |
Astronomy | 2 |
Automated equipment | 4 |
Automobiles | 8 |
Chemistry | 1 |
Construction | 3 |
Gear train | 4 |
General | 2 |
Mechanic engineering | 6 |
Mechanics | 2 |
Military | 1 |
Mining | 1 |
Oilfields | 1 |
Shipbuilding | 1 |
Technology | 6 |
Textile industry | 2 |
Thermal engineering | 1 |
Transport | 5 |