Bottling plant:
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Factory atmosphere, drone in a mine tunnel
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Welding, Car factory, hammer knocking
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Turning on, working,, Welding transformer
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Machine engine gaining momentum
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Hydraulic machine up
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Oil pump
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Book press
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Gas welding
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Turn off, Air compressor turn on
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Forklift truck moving away
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Electric generator (hum)
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Vibrosieve at the factory
★★★★★