Forklift in motion:
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Box making machine
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Room noise, Glass bottles on a conveyor line
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Forklift in motion
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Mill for grinding grain, Brewing unit
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Fluid drilling, Brewing unit
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Signal for lunch at the factory
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Air compressor turn on, turn off
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Hydraulic down machine
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Working,, Welding transformer, turning on
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Electric generator (hum)
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Stitching machine
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Spectrograph
★★★★★