depscribe's photos with the keyword: power line maintenance

It's dangerous, for anyone on the ground but especially for those flying the whirlybird.

Aerial Solutions, Inc., was hired by American Electric Power to bring in its helicopters with saws dangling below to trim tree branches that are near the company's power lines. It's an area beset with blackouts due to trees and limbs falling on the lines. The "Air Saw" 10-blade gang saw is more efficient than you might imagine.