Assertion: cleaver's blade | /r/HasProperty | rotated to the drive shaft
Facets:
value: normally
type: DEGREE
value: by additional machinery
type: OTHER
Source sentences:
text: An alternative design is the controllable-pitch propeller (CPP, or CRP for controllable-reversible pitch), where the blades are rotated normally to the drive shaft by additional machinery – usually hydraulics – at the hub and control linkages running down the shaft.