Assertion: turbine's blade | /r/HasProperty | bolted onto the nacelle
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: The blades are usually bolted onto the nacelle after it has been placed onto the tower.
text: Because assembly is easier to accomplish on the ground, occasionally a three-pronged blade has two blades bolted onto the nacelle before it is lifted, and the third blade is bolted on after the nacelle is in place.