vehi - ware
- ventilation breakthrough
- ventilation by centrally located shafts
- ventilation by extraction
- ventilation by high pressure
- ventilation by low pressure
- ventilation by means of boundary shafts
- ventilation characteristic
- ventilation compartment
- ventilation control device
- ventilation crosscut
- ventilation district
- ventilation door
- ventilation duct
- ventilation due to the mine air-pressure drop
- ventilation hole
- ventilation lock
- ventilation loss
- ventilation map
- ventilation method
- ventilation mine examiner
Страницы