| |||
stream pattern (Leonid Dzhepko) | |||
jet path | |||
spray pattern (пож.) |
форма струи: 8 phrases in 7 subjects |
Astronautics | 1 |
Construction | 1 |
Firefighting and fire-control systems | 1 |
Mechanic engineering | 1 |
Occupational health & safety | 1 |
Polymers | 1 |
Transport | 2 |