0:18
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Cooler fan switched on with beep, low setting of the fan then the fan is set to high, again with a beep, ...
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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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0:21
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Air fan running, low rumble.
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0:30
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Noisy air fan rattle on a drinks dispenser.
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