I may be wrong but according to my experience, "Futility", must mean, "Go like hell man" Anyways that is what the avg driver thinks when he/she observes them bright oarnge signs. Stay safe and get er done.
just an old lineman//grew up with a sawdust pumper in between my belt.
chased a 1 ton for years
run a T40-C(PRO)//I actually know how to operate it. never could figure out that sawdust pumper//he//he
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