Assertion: electric fan | /r/CapableOf | use with a fan controller
Facets:
Source sentences:
text: Electric fans are far more efficient than mechanical engine driven fans because they free up horsepower and only run when you want them to (when used with a fan controller, not included).
text: Electric fans are far more efficient than mechanical engine driven fans because they free up horsepower and only run when you want them to (when used with a fan controller, not included).
text: Electric fans are far more efficient than mechanical engine driven fans because they free up horsepower and only run when you want them to (when used with a fan controller, not included).