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A propeller is just a big fan in front of the plane designed to keep the pilot cool. Want prove? Stop the prop and watch the pilot break out in a heavy sweat!
A system robotic factory (30% bonus) is not cumulative with a time shrine (15% bonus) then?
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A propeller is just a big fan in front of the plane designed to keep the pilot cool. Want prove? Stop the prop and watch the pilot break out in a heavy sweat!