Glass bottles on a conveyor line, room noise:
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Newspaper press
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Spectrograph
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Forklift in motion
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Dry cleaning
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Postal sorting line
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Fluid drilling, Brewing unit
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Lathe turning on, stop, work
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Welding, Car factory, hammer knocking
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Welding transformer operation under load
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Box making machine
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Room noise, Glass bottles on a conveyor line
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Lowers forks, Forklift raises
★★★★★