Assertion: wind turbine | /r/AtLocation | use
Facets:
value: currently
type: TEMPORAL
value: around the world
type: LOCATION
value: for centuries in windmill form
type: TEMPORAL
Source sentences:
text: The wind turbine has been in use for centuries in windmill form.
text: Experts estimate that a million or more micro wind turbines are currently in use around the world.
text: Very few vertical-axis wind turbines are in use today because they do not perform as well as horizontal-axis turbines.