"There is a lot of planning done ahead of time to find where this technique can be safely and effectively used," Dooley-Menet said.
Helicopter, air saw used to trim trees →
"This is a technique we've used in some areas of our service area and we're using a little bit more in areas of Wisconsin than we have in years past," Dooley-Menet said. "It's highly efficient and highly effective. It's been a good technique."