Generator, start, work, jamming:
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Room noise, Glass bottles on a conveyor line
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Vibrosieve at the factory
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Box making machine
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Crusher
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Work, Lathe turning on, stop
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Low frequency running engine
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Fluid drilling, Brewing unit
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Hammer knocking, welding, Car factory
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Lithographic press
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Welding transformer operation under load
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Rattling, The atmosphere of the factory
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Oil pump
★★★★★