Assertion: sea otter's layer | /r/CapableOf | help keep its underfur layer
Facets:
value: by keeping cold water
type: MANNER
Source sentences:
text: A top layer of long, waterproof "guard hairs" helps keep its underfur layer dry.
text: A top layer of long, waterproof guard hairs helps to keep the underfur layer dry by keeping cold water away from the skin.