Factory atmosphere, drone in a mine tunnel:
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Loaders, general noise, Work in a warehouse
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Oil pump
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Power station generator
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Factory work, general noise
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Postal sorting line
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Off, on, Forklift, standby
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Conveyor belt, Conveyor
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Laser welding
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Small centrifuge
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Drone in a mine tunnel, Factory atmosphere
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Automatic folder
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Grind metal on a grinding machine in a
★★★★★