Assertion: turbine's rotor blade | /r/CapableOf | swivel on the hub
Facets:
value: at the front
type: LOCATION
value: in most large modern turbines
type: LOCATION
Source sentences:
text: In most large modern turbines, the rotor blades can swivel on the hub at the front so they meet the wind at the best angle (or "pitch") for harvesting energy.