Fáddáevttohusat
- Tunneling 70 bohtosa
- Tunnels 48 bohtosa
- Wind tunnels 29 bohtosa
- Design and construction 27 bohtosa
- Tunneling (Physics) 15 bohtosa
- Congresses 13 bohtosa
- Aerodynamics 11 bohtosa
- Railroad tunnels 10 bohtosa
- Engineering geology 9 bohtosa
- History 9 bohtosa
- Wind tunnel models 9 bohtosa
- Fires and fire prevention 8 bohtosa
- Rock mechanics 8 bohtosa
- Scanning tunneling microscopy 8 bohtosa
- Tunnel lining 8 bohtosa
- Underground construction 7 bohtosa
- Wind-pressure 7 bohtosa
- Winds 7 bohtosa
- Equipment and supplies 5 bohtosa
- Surfaces (Physics) 5 bohtosa
- Testing 5 bohtosa
- Tunnel diodes 5 bohtosa
- Buildings 4 bohtosa
- Measurement 4 bohtosa
- Planning 4 bohtosa
- Railroads 4 bohtosa
- Semiconductors 4 bohtosa
- Surface chemistry 4 bohtosa
- Transportation 4 bohtosa
- Ventilation 4 bohtosa
- Water tunnels 4 bohtosa
- Computer simulation 3 bohtosa
- Data processing 3 bohtosa
- Hydroelectric power plants 3 bohtosa
- Roads 3 bohtosa
- Safety measures 3 bohtosa
- Soil mechanics 3 bohtosa
- Speed 3 bohtosa
- Tall buildings 3 bohtosa
- Trenchless construction 3 bohtosa
- Tunneling spectroscopy 3 bohtosa
- Underwater tunnels 3 bohtosa
- Airplanes 2 bohtosa
- Bibliography 2 bohtosa
- Boring machinery 2 bohtosa
- Drilling and boring machinery 2 bohtosa
- Environmental aspects 2 bohtosa
- Fire detectors 2 bohtosa
- Fire sprinklers 2 bohtosa
- Geology 2 bohtosa more…