Assertion: water clock | /r/CapableOf | determine exact amount
Facets:
value: from a qanat
type: LOCATION
value: into the garden
type: LOCATION
value: into farms
type: LOCATION
value: from a well
type: LOCATION
Source sentences:
text: Water clocks were needed to determine the exact amount and duration of water outflow from a qanat or a well into the garden or farms.