0:08
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Constant strong air condition working
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0:13
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Strong air condition working sound
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0:08
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Air cooler switched on with a beep the the fan starts
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0:02
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Turning off an extractor fan
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0:56
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Extractor fan working with windy background
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0:08
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Low pitch air condition with a big compressor
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0:04
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Air condition stop working, beep
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0:03
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Close extractor fan
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0:10
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Air condition engine of a big restaurant
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0:08
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Switching on extractor fan
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