Assertion: pile | /r/HasProperty | need
Facets:
value: for surgical intervention
type: PURPOSE
value: in some cases
type: TEMPORAL
Source sentences:
text: Piles can also recur and cause internal bleeding and in some cases there may be a need for surgical intervention.
text: A geotechnical engineer can test the soil to determine whether piles are needed.
text: Pile is necessary when the bearing capacity of soil below the structure is insufficient for a spread footing.