....The safety switches are getting a lot smarter. Combines have had a safety seat switch for probably the last 20 years that if the operator leaves the seat, the header shuts off within a few seconds. It is a good idea, as more than a few farmers have been drawn into a corn head or platform header while trying to unclog something while the machine was running (one of the situations where Darwinism probably should be allowed to run its course, sad as it is when a neighbor is lost).
I had the unfortunate experience in my younger days of being with my dad when we went over to see if we could help a neighbor whose combine we could see sitting stationary but running for 1/2 hour or so..... He had been trying to unplug the corn head while it was running. He lost both legs and an arm to the gathering chains. I still occasionally have nightmares about that evening. Tough duty for a 10 or 12 year old.
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