Hauptleitung
Keywords
stopcock,
water,
aqueduct,
duct,
oil,
pipeline,
tube,
connecting,
duct,
tap water,
leak,
connection,
climate,
spin,
flow,
mineral oil,
interrupt,
interruption,
drinking water,
armature,
fire hydrant,
gas,
trickle,
tight,
leaky,
industry,
group,
waterworks,
technically,
mechanical