 |
Coulombscher | Erdkeil
| Erdkeil | |
| hydrol. | земляной клин |
| road.wrk. | призма обрушения грунта |
| Coulombscher: 5 phrases in 4 subjects |
| Aerodynamics | 2 |
| Construction | 1 |
| Hydraulics | 1 |
| Road works | 1 |