Compressor, start, run, shutdown:
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Power station turbine
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Factory atmosphere, drone in a mine tunnel
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Brewing unit, fluid drilling
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Signal for lunch at the factory
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Stamping press
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Small centrifuge
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Stitching machine
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Rattling, The atmosphere of the factory
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Car factory, welding, hammer knocking
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Welding transformer operation under load
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Letter press
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Hydraulic activator
★★★★★