0:55
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Twin propeller aeroplane, engine running, idling and warming up
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0:02
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A human rubbing their hands together.
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0:30
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Laser printer warming up beginning with flicking the on switch button on and hearing the motor and fan ...
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1:41
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Concert band warming up.
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1:16
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Blacksmith sounds - machine turning on, warming up and steadily running, qyuck power down.
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