Assertion: beaver | /r/CapableOf | maintain their dams
Facets:
value: by adding sandbags
type: MANNER
Source sentences:
text: Beavers maintain their dams so that the pond water level stays up.
text: Through the spring, summer and fall, they diligently build and maintain dams, cutting down trees to later use for food.
text: Soldiers there have actually helped beavers maintain their dams by adding sandbags from time to time to keep the excellent fishing site the animals created.