Any electric device where the settings go "Low - Medium - High - OFF" was designed by idiots.
For fans there's actually a reason. Going from off to on requires a fair amount of torque and it's easier on the motor to do that on the "high" setting. Not that "Off-Low-Medium-High" fans don't exist — the box fan I'm about to turn on now is like that. I'll turn the knob rapidly to the "High" setting.
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