| |||
bearing door; weather door | |||
air door; door; man door; mine door; regulator; regular door; scale door; separation door; sham door; sheth door (in einem belegten Vortrieb); stiffener; trap; trap door; ventilation door; weather-beaten door | |||
gage door; gauge door |
Wettertur: 8 phrases in 2 subjects |
Metallurgy | 1 |
Mining | 7 |