Letter press:
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Spectrograph
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Mechanical lift
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Steam pump
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Drone in a mine tunnel, Factory atmosphere
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Electric generator (hum)
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Automatic telephone switch
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General noise, Factory work
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Hammer knocking, welding, Car factory
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General noise, Work in a warehouse, loaders
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Heidelberian sorting printer
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Welding transformer, working,, turning on
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Mill for grinding grain, Brewing unit
★★★★★