Assertion: cassowary's feather | /r/ObjectUse | used as insulation
Facets:
value: in bedding
type: LOCATION
value: in clothing
type: OTHER
Source sentences:
text: Other commercially valuable products from birds include feathers (especially the down of geese and ducks), which are used as insulation in clothing and bedding, and seabird faeces (guano), which is a valuable source of phosphorus and nitrogen.