1:04
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A humidifier turned on, running, then being turned off
2:04
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Small blender ramps to high speed and stops.
0:18
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Bathroom fan switched on and whirring
0:05
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Electric car window being open
0:21
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Washing machine starting, running, then stopping
2:35
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Heavy machinery or tractor working, medium distant. Constant running with some variations in tone
0:38
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Drying machine in operation
0:18
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Lawn edger on, revs, then turn off
1:48
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Air conditioner starting running then stopping
0:06
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Fast revs from a lawn edger, then turn off