tail- pipe : 22 phrases in 13 subjects |
Aerohydrodynamics | 2 |
Armored vehicles | 1 |
Automobiles | 1 |
Aviation | 1 |
Firefighting and fire-control systems | 2 |
General | 1 |
Military | 4 |
Oil and gas | 1 |
Rail transport | 1 |
Technology | 2 |
Thermal engineering | 2 |
Traffic control | 1 |
Transport | 3 |