Assertion: right tube | /r/HasProperty | open
Facets:
value: to the ambient air
type: TRANSITIVE-OBJECT
Source sentences:
text: In the figure bellow illustrates the water levels in an u-tube where the left tube is connected to a point with higher pressure than the right tube - example: the left tube may be connected to a pressurized air duct when the right tube is open to the ambient air.