Mechanical lift:
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Electric generator (hum)
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Spinning machine
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Signal for lunch at the factory
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Welding transformer operation under load
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Conveyor belt, Conveyor
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Lowers forks, Forklift raises
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Loaders, Work in a warehouse, general noise
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Rattling, The atmosphere of the factory
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Electric industrial motor
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Grind metal on a grinding machine in a
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Machine engine gaining momentum
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Factory atmosphere, drone in a mine tunnel
★★★★★