Assertion: turbine's blade | /r/HasProperty | a foil section
Facets:
value: at every possible angle of attack
type: MANNER
value: always
type: DEGREE
Source sentences:
text: In the helical design, the blades curve around the axis, which has the effect of evenly distributing the foil sections throughout the rotation cycle, so there is always a foil section at every possible angle of attack.