Letter press:
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Turn off, Air compressor turn on
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Factory atmosphere, drone in a mine tunnel
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Stitching machine
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Brewing unit, mill for grinding grain
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Hydraulic pump
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Fluid drilling, Brewing unit
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Room noise, Glass bottles on a conveyor line
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Forklift in motion
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Welding transformer operation under load
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Crusher
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Newspaper press
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Hydraulic activator
★★★★★