Bottling plant:
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Spinning machine
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Turning on, Welding transformer, working,
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Low frequency running engine
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Working machine engine
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Bottling plant
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Letter press
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Hydraulic pump
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Grind wood with a grinder, noise in
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Rattling, The atmosphere of the factory
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Gas welding
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Welding transformer operation under load
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Postal sorting line
★★★★★