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Breakdown press
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Conveyor, conveyor belt
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Electric industrial motor
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Turning on, working,, Welding transformer
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Hydraulic machine up
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Industrial exhaust fan
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Signal for lunch at the factory
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Box making machine
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Room noise, Glass bottles on a conveyor line
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Air blow, Air compressor
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Power station turbine
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Loaders, Work in a warehouse, general noise
★★★★★