Assertion: asbestos's fiber | /r/CapableOf | remain airborne
Facets:
value: for long periods of time
type: TEMPORAL
value: almost indefinitely
type: TEMPORAL
Source sentences:
text: If air movement is present fibers may never settle out and remain airborne almost indefinitely, posing a constant and invisible health hazard.
text: These fibers may remain airborne for long periods of time before settling in dust.