Box making machine:
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Brewing unit, fluid drilling
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Noise in, Grind wood with a grinder
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Newspaper press
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Industrial exhaust fan
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Spinning machine
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Work, Lathe turning on, stop
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Working machine engine
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Conveyor belt, Conveyor
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Forklift in motion
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Postal sorting line
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Welding transformer operation under load
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Low frequency running engine
★★★★★