Assertion: boom | /r/CapableOf | help to concentrate oil
Facets:
value: in thicker surface layers
type: LOCATION
Source sentences:
text: Booms help to concentrate oil in thicker surface layers so that skimmers, vacuums, or other collection methods can be used more effectively.
text: Booms help to concentrate oil in thicker surface layers so that skimmers, vacuums, or other collection methods can be used more effectively.