PG&E Using Huge Heli-Saws To Trim Trees From Power Lines In Wildfire Country

The Heli-Saw Field Safety Manager, who manages a flying chainsaw equipped with eight tungsten carbide blades swirling underneath a helicopter, each nearly 3 feet in diameter, discussed what it was like to trim trees from PG&E's powerlines to prevent them from sparking wildfires.

PG&E Using Huge Heli-Saws To Trim Trees From Power Lines In Wildfire Country

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