Assertion: bilge | /r/HasProperty | cleaned of its oil content
Facets:
value: in known systems
type: LOCATION
value: by centrifugal systems
type: MANNER
value: by gravitational settling tanks
type: MANNER
value: by filters
type: MANNER
Source sentences:
text: In known systems, bilge water is cleaned of its oil content by centrifugal systems, gravitational settling tanks, and filters.