Husqvarna chainsaw questions

MS 461. We use a variety of big Stihls. 440’s, 660’s ...
Sometimes it would be nice to use a lighter model but we have to be ready for the biggest of trees and don’t have the space to carry a second or third saw.

My hard hat after the last fire has retardant all over it. You know those flyboys like dropping retardant on the ground troops. They say it’s harmless, rumored to have a fertilizer in it, you shouldn’t get it in body’s of water to protect marine life. Probably carcinogenic.

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That is some tough work!!! US Forest Service, I presume? What forest do you work on?