Assertion: turbine's blade | /r/HasAspect | two blades
Facets:
value: occasionally
type: DEGREE
value: on the nacelle
type: LOCATION
value: normally
type: DEGREE
Source sentences:
text: Normally a three-pronged blade has two blades on the nacelle before it is lifted and the third blade is bolted after the nacelle is in place.
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.